| ATN (Attribute Name) |
| ACCESSION_NO | Accession number |
| ADJACENT | Adjacent |
| AMBIGUITY_FLAG | Source atom Abmiguity Flag |
| AMT | AOT uses MeSH term |
| ANATOMICAL_OR_ARBITRARY | Anatomical or Arbitrary |
| AN | MeSH Annotation - an informative MeSH note written primarily for indexers or catalogers that may also be useful in explaining the use of a MeSH term to online searchers. |
| AQL | MeSH Allowable Qualifier - list of allowable qualifier abbreviations for MeSH main headings (e.g. AA, CL, CS, DF, DU, IM, I,P ME, PK) |
| AQ | SNOMED CT "allowable qualifier" attribute for representing certain relationships (those having a characteristic type of "Qualifier" and a refinability of "Mandatory") which indicate one of several allowable types of qualifiers, such as laterality or severity, that a concept may have |
| BIOCARTA_ID | BioCarta ID |
| BLOCK | Block code |
| CAS_REGISTRY | CAS Registry |
| CCF | Canonical Clinical Problem Statement System (CCPSS) frequency - the number of times a CCPSS term appears in a patient record. |
| CCI | ICD-9-CM code(s) clusters in a Clinical Classifications Software (CCS) category - individual ICD-9-CM codes (or ranges of such codes) classified into CCS categories. |
| CELL_APPENDAGE_TYPE | Cell appendage type |
| CELL_LAYER | Cell layer |
| CFR | Code of Federal Regulation Number (e.g. 862.3220, 892.1610) |
| CHAPTER | Chapter code |
| CHARACTERISTICTYPE | SNOMED CT indication of whether a relationship specifies a defining characteristic of the source concept or a possible qualification of that Concept. |
| CHEMICAL_FORMULA | Chemical Formula |
| CHROMOSOME_PAIRS_PER_NUCLEUS | Chromosome pairs per nucleus |
| CHROMOSOME | Chromosome |
| CITE | Citation or edition information |
| CNU | ISO 3166-1 standard country code in numeric (three-digit) format |
| COMPONENTHISTORY | SNOMED CT history of a single instance of a change to a source data element in a particular version of SNOMED CT. |
| CONCEPTSTATUS | SNOMED CT status which indicates whether a concept is in active use and, if not, indicates the reason it is inactive. |
| CONNECTED_TO | Connected to |
| CONNECTION_TYPE | Connection type |
| CONSIDER | Codes to consider before definitive diagnosis |
| CONTACT_TYPE | Contact type |
| CONTRIBUTING_SOURCE | Contributing Source |
| COORDINATE | Coordinate |
| COPYRIGHT | Copyright |
| CPF | CPT Full Description - complete text of the CPT full description, in cases where the CPT term in the "STR" field of MRCON has been trimmed from its original form. |
| CTV3ID | The Read Code for a SNOMED CT concept taken from the United Kingdom?s Clinical Terms Version 3 terminology. |
| CV_ALGORITHM | Content view algorithm |
| CV_CATEGORY | Content view category |
| CV_CLASS | Content view class |
| CV_CODE | Content view code |
| CV_CONTRIBUTOR_DATE | Date corresponding to the contributor version of this concept view |
| CV_CONTRIBUTOR_URL | URL corresponding to the contributor version of this concept view |
| CV_CONTRIBUTOR_VERSION | Version of this content view submitted by the contributor |
| CV_CONTRIBUTOR | Content view contributor |
| CV_DESCRIPTION | Content view description |
| CV_IS_GENERATED | Content view generated: Y/N |
| CV_MAINTAINER_DATE | Date corresponding to the maintainer version of this concept view |
| CV_MAINTAINER_URL | URL corresponding to the maintainer version of this concept view |
| CV_MAINTAINER_VERSION | Version of this content view submitted by the maintainer |
| CV_MAINTAINER | Content view maintainer |
| CV_PREVIOUS_META | Previous UMLS Metathesaurus version used to generate content view. A null value means the content view is generated based on current UMLS Metathesaurus version. |
| CV_SUBCLASS | Content view subcategory |
| CX | MeSH Consider Also Note - other word roots or prefixes that should be consulted for concepts related to this MeSH concept, e.g., the value for "Heart" is "consider also terms at cardi- and myocardi-". |
| DATE_CREATED | Date created |
| DATE_FIRST_PUBLISHED | Date first published |
| DATE_LAST_MODIFIED | Date last modified |
| DATE_NAME_CHANGED | Date name changed |
| DA | Metathesaurus Date of entry - YYYYMMDD, e.g., 19920830 - date of entry of the concept into the Metathesaurus. |
| DB_XR | Database cross-reference |
| DCSA | Controlled Substance Act designation code (e.g. 0,2,3n) |
| DC | MeSH Descriptor class - type of MeSH term the concept name represents. |
| DDFA | Drug Doseform Abbreviation (e.g. SOLN) |
| DDF | Drug Doseform (e.g. chewable tablet) |
| DEFCHARACTERISTICS | Defining characteristics |
| DESCRIPTIONSTATUS | SNOMED CT description status which indicates whether a description (concept name) is in active use and, if not, the reason it is inactive. |
| DESCRIPTIONTYPE | SNOMED CT term type, indicating whether the term is the Preferred Term, Synonym or the Fully Specified Name for the associated concept. |
| DESIGN_NOTE | Design note. |
| DEVTYPE | Device Type |
| DHJC | Multum HCPCS J-code Multum clinical drugs linked to HCPCS J-codes where applicable (e.g. J7507) |
| DID | Descriptor Identifier |
| DIMENSION | Dimension code |
| DISJOINT_FROM | Disjoint from |
| DIV | NCBI Division/Phyla (e.g. DIV[NCBI]Viruses) |
| DM_SPL_ID | DailyMed internal identifier for MTHSPL atom |
| DPC | Multum Pregnancy Hazard Classification Code assigned to Multum clinical drugs. (e.g. X, D) |
| DQ | MeSH Date Qualifier Established YYYYMMDD - date the qualifier became available for indexing MEDLARS citations. |
| DRTA | Drug Route of Administration Abbreviation (e.g. INJ) |
| DRT | Drug Route of Administration (e.g. Injection (systemic) ) |
| DRUG_CLASS_TYPE | VA Drug class type - Values can be "Major","Minor","Sub Class", or "0","1","2" respectively |
| DST | Drug Strength (e.g. 0.01%, 0.02 MG, 0.02 MG/ML) |
| DX | MeSH Date major descriptor established YYYYMMDD - first day of the Index Medicus publication month in which the descriptor (in any form) was available for searching as a major descriptor. |
| DateCreated | Date Created |
| EC_OF | MeSH Entry combination OF - an invalid MeSH main heading/subheading combination that is a cross reference to a single MeSH main heading or a main heading/subheading combination that should be used in its place. Has a format of SDUI/Qualifier |
| EC | MeSH Entry combination - an invalid MeSH main heading/subheading combination that is a cross reference to a single MeSH main heading or a main heading/subheading combination that should be used in its place. |
| ENTREZGENE_ID | EntrezGene ID |
| ESSENTIAL_AMINO_ACID | Essential Amino Acid |
| ESSENTIAL_FATTY_ACID | Essential Fatty Acid |
| EXAMPLE_UNITS | Example units |
| EXCLUDE_DI_CHECK | Exclude drug interaction check |
| EZ | Enzyme Commission Number - International Union of Biochemists Enzyme Commission number for an enzyme concept. |
| FDASRS | FDA Structured Product Label UNII Code for Active Substance |
| FDA_TABLE | FDA Table |
| FDA_UNII_CODE | FDA UNII Code |
| FOURTHLEVEL | Fourth Level code |
| FROMRSAB | Root source abbreviation for the "from" identifiers of a map set |
| FROMVSAB | Versioned source abbreviation for the "from" identifiers of a map set |
| FR | MeSH Frequency |
| FX | MeSH MH Mapping - maps a MeSH MH to a 'See Related' MH. |
| GENBANK_ACCESSION_NUMBER | GenBank Accession Number |
| GENELOCUS | Gene Locus |
| GENESYMBOL | Gene Symbol |
| GENE_ENCODES_PRODUCT | Gene Encodes Product |
| GENE_FAM | Gene family name |
| GO_ANNOTATION | GO Annotation |
| GO_COMMENT | GO Comment field data |
| GO_NAMESPACE | Go Namespace field data |
| GO_SUBSET | Go Subset field data |
| GROUPURL | URL for corresponding health topic groups on MedlinePlus |
| GXR | GO Cross Reference to external databases (e.g. MetaCyc:TRNA-CHARGING-PWY) |
| HAC | HCPCS action code - code denoting the change made to a procedure or modifier code within the HCPCS system. |
| HAD | HCPCS Action Effective Date - effective date of action to a procedure or modifier code. |
| HAQ | HCPCS Anesthesia Base Unit Quantity - base unit represents the level of intensity for anesthesia procedure services that reflects all activities except time. |
| HAS_BOUNDARY | Has boundary |
| HAS_MASS | Has mass |
| HAT | HL7 "appliesTo" concept code property |
| HBT | HCPCS Berenson-Eggers Type of Service Code - BETOS for the procedure code based on generally agreed upon clinically meaningful groupings of procedures and services. |
| HCC | HCPCS Coverage Code - code denoting Medicare coverage status. There are two subelements separated by "=". |
| HCDI | HL7 Code Instance: Number to disambiguate case differences (Default 0) |
| HCD | HCPCS Code Added Date - year the HCPCS code was added to the HCFA Common Procedure Coding System. |
| HCO | HL7 Comment |
| HCS | HL7 Concept Status: Status of concept code (P - proposed, A - active, R - retired) |
| HDS | HL7 Designation Sequence: Designation id within concept |
| HHA | HL7 "howApplies" concept code property |
| HID | HL7 internal Id: Internal identifier of codeSystemId/conceptCode. More than one conceptCode/codeInstance may map to the same internalId |
| HIR | HCPCS Coverage Issues Manual Reference Section Number - number identifying the Reference Section of the Coverage Issues Manual. |
| HIT | HL7 Interpretation: German Interpretation according to the German HL/ user group |
| HL7_FIELD_SUBFIELD | HL7 Field/Subfield ID |
| HLC | HCPCS Lab Certification Code - code used to classify laboratory procedures according to the specialty certification categories listed by CMS(formerly HCFA). |
| HLIR | HL7 "inverseRelationship" concept code property |
| HMP | HCPCS Multiple Pricing Indicator Code - code used to identify instances where a procedure could be priced. |
| HMR | HCPCS Medicare Carriers Manual reference section number - number identifying a section of the Medicare Carriers Manual. |
| HM | MeSH Heading Mapped To - heading mapped to attribute in C-MeSH containing repeating (MH or MH/SH) elements (e.g. HM = PYRROLIDINONES, HM = *TARTRATES, HM = ESTRONE/* analogs & derivatives) |
| HN | History Note - for MeSH history notes, the year when the current form of the MeSH term was established as a major and/or minor descriptor. |
| HOD | HL7 OID |
| HOI | HL7 "openIssue" concept code property |
| HOMOLOGOUS_GENE | Homologous Gene |
| HPD | HCPCS ACD payment group effective date - date the procedure is assigned to the ASC payment group. |
| HPG | HCPCS ASC payment group code which represents the dollar amount of the facility charge payable by Medicare for the procedure. |
| HPI | HCPCS Pricing Indicator Code - used to identify the appropriate methodology for developing unique pricing amounts under Part B. |
| HPL | HL7 Preferred for Language: Yes means that this designation is the primary designation for the given language |
| HPN | HCPCS processing note number identifying the processing note contained in Appendix A of the HCPCS Manual. |
| HSE | HL7 Section: Chapter |
| HSNU | HL7 Sort Number: Number for sorting the values according to the official document |
| HSN | HCPCS Statute Number identifying statute reference for coverage or noncoverage of procedure or service. |
| HTA | HL7 Anchor: HTML-Reference to the Standard |
| HTD | HCPCS Termination Date - last date for which a procedure or code may be used by Medicare Providers. |
| HTG | HL7 Generate: Yes/No |
| HTID | HL7 Table ID |
| HTS | HCPCS Type of Service Code - carrier assigned HCFA Type of Service which describes the particular kind(s) of service represented by the procedure code. |
| HTT | HL7 Table Type: Number specifying the type of this table (user defined, HL7 defined, ..) |
| HUS | HL7 Usage: How is this data element used (Original, Added, Deleted) |
| HXR | HCPCS Cross reference code - an explicit reference crosswalking a deleted code or a code that is not valid for Medicare to a valid current code (or range of codes). |
| IAA | ICD10AM Abbreviated Descriptor |
| IAC | ICD10AM Australian Code - Contains a flag "1" for codes that have been exclusively developed in Australia. |
| IAD | ICD10AM Effective from - indicates the date that the code is effective from. |
| IAH | ICD10AM Age Edit, higher limit - minimum age is expressed as a three digit field. |
| IAL | ICD10AM Age Edit, lower limit - minimum age is expressed as a three digit field. |
| IAN | Annotation Note - a + (Dagger) denotes a code describing the etiology or underlying cause of the disease; an * (asterisk) denotes a code describing the manifestation of a disease |
| IAR | ICD10AM Relationship Note - code embedded in the term, may have a * or +. |
| IAS | ICD10AM Sex Edit flag to indicate whether the code is valid for a particular sex. Sex flags are 1 (male) or 2 (female). |
| IAT | ICD10AM Sex Edit Type - all sex flagged codes are followed by a "sex edit type" flag. The sex edit type flags are 1 (fatal) or 2 (warning). |
| IAY | ICD10AM Age Edit Type - all age flagged codes are followed by an age edit type flag. The age edit type flags are 1 (fatal) or 2 (warning). |
| ICA | ICD Additional Codes Note - an ICD-9-CM instruction to signal the coder that an additional code should be used if the information is available to provide a more complete picture of that diagnoses or procedure. |
| ICC | ICD Code Also Note - an ICD-9-CM instruction to signal the coder to code additional information. |
| ICD-O-3_CODE | ICD-O-3 Code |
| ICE | ICD Entry Term (e.g. Diarrhea:{dysenteric; epidemic}; Infectious diarrheal disease) |
| ICF | ICD Fifth-digit Code Note - instruction to coders indicating use of a fifth-digit code. |
| ICNP_TYPE | ICNP Type Codes: Defines if the code is a Diagnosis/Outcome (DC), Intervention (IC) or Primitive (7-axes: A, C, F, J, L, M, T) |
| ICN | ICD Note - instruction providing additional coding information. |
| ICPCCODE | ICPC Code |
| IDNR | Original ID number for source file |
| II | MeSH Indexing Information - for MeSH chemical terms (Term Type=NM), MeSH headings that may be relevant to articles that are also assigned the NM term. |
| INCLUDED_MESH_UIS | Used for Mechanism of Action (MoA) concepts where multiple MeSH descriptors were merged into one NDFRT concept |
| INC | ICD10AM Neoplasm code (e.g. C34.- ) |
| IND_CODE | IND Code |
| INFOODS | Infoods |
| INITIALCAPITALSTATUS | SNOMED CT capital status, indicating whether the capitalization of the first character of the SNOMED CT term is significant. |
| INPC_PERCENTAGE | INPC percentage |
| INTERVENTION_DESCRIPTION | Intervention description |
| INTERVENTION_SEQUENCE | Intervention sequence number |
| INTERVENTION_TEXT | Intervention text |
| IPX | ICD10 code related to an ICPC code - a + indicates that the ICD10 code is broader than the ICPC code; a - indicates that the ICD10 code is narrower than the ICPC code. |
| ISLEAF | Leaf flag: 1 for leaf nodes, 2 for hierarchical nodes |
| ISPRIMITIVE | SNOMED CT indicator of whether concept is primitive or fully defined by its defining characteristics. |
| JXR | OMIM code that is related to Jablonski term. |
| KEGG_ID | KEGG ID |
| LABEL_TYPE | DailyMed label type |
| LAL | LOINC Answerlist - list of answers for results that are reportable from a multiple choice list, e.g., the answers for the term DISPOSITION OF BLOOD PACK are GIVEN;PARTIALLY GIVEN;DISCARDED. |
| LANGUAGECODE | SNOMED CT string identifying a language and, if appropriate, a dialect in which this description is valid. |
| LANGUAGE | Language |
| LATERALITY | Laterality |
| LCA | LOINC ACSSYM field - LOINC chemical name synonyms, alternative names and chemical formulae from the Chemical Abstract Society. |
| LCB | LOINC Chemical base name from the Chemical Abstract Society. |
| LCD | LOINC CDISC common tests |
| LCL | LOINC Class - arbitrary classification of terms in LOINC designed to assist LOINC development and to group related observations together (e.g. ABXBACT = Antibiotic susceptibility) |
| LCN | LOINC Classtype - 1 = Laboratory class; 2 = Clinical class |
| LCS | LOINC Depreciated or superseded status - an indicator that a LOINC term is no longer to be used. The term that should now be used will appear in the LMP element. |
| LCT | LOINC Change Type Code - type of change made to a LOINC term. |
| LEA | LOINC Example Answers - for some tests and measurements, LOINC has supplied examples of valid answers. These values differ from those in the ANSWERLIST field because that details possible values for nominal scale terms. |
| LEVEL | RXNORM: Specifies the type of drug concepts - Values can be "Ingredient", "VA Class", or "VA Product"; ICF: hierarchical level number |
| LFO | LOINC Formula - regression equation details for many OB.US calculated terms. |
| LLR | LOINC Date Last Changed YYYYMMDD - date the LOINC term was last changed. |
| LMM | Molecular weights - contains the molecular weights of many chemical moieties when they are provided. |
| LMP | LOINC Map to Code of the term that has superseded a term with a LCS value of DEL. |
| LNC | LOINC NAACCR_ID - LOINC terms mapped to North American Association of Central Cancer Registries Identification |
| LNE | LOINC CODE_TABLE |
| LOCUS_ID | Locus ID |
| LOCUS_TYPE | Locus Type |
| LOINC_COMPONENT | LOINC component |
| LOINC_METHOD_TYP | LOINC method type |
| LOINC_PROPERTY | LOINC property |
| LOINC_SCALE_TYP | LOINC scale type |
| LOINC_SYSTEM | LOINC system |
| LOINC_TIME_ASPECT | LOINC time aspect |
| LOR | LOINC ORDER_OBS field. Defines term as order only, observation only, or both. Values are: BOTH OBSERVATION ORDER. A fourth category, Subset, is used for terms that are subsets of a panel but do not represent a package that is known to be orderable. |
| LPL | LOINC Panel Elements |
| LQS | Survey Question Source |
| LQT | Survey Question Text |
| LRF | Reference - contains references to medical literature, product announcements, or other written sources of information on the test or measurement described by the LOINC record. |
| LRN2 | Related names 2 |
| LRN | LOINC related name - Previously was released as a RN string from LOINC; converted from a term type in 2002AD (e.g. AMIKIN) |
| LSP | LOINC Species code |
| LSU | SUBMITTED_UNITS |
| LT | Indicates if a chemicals or medical device is a tradename (present in older versions of the Metathesaurus and was discontinued, then brought back starting in 2002AD) |
| LUR | Units required when used as OBX segment - a Y/N field that indicates that units are required when this LOINC is included as an OBX segment in a HIPAA attachment |
| MACRONUTRIENT | Macronutrient |
| MAPPED_ENTREZGENE_ID | Entrez gene ID (mapped data) |
| MAPPED_GDB_ID | GDB ID (mapped data) |
| MAPPED_REFSEQ_ID | RefSeq (mapped data) |
| MAPSETGRAMMAR | Grammar used to describe boolean expressions used in a map set |
| MAPSETNAME | Official name of a map set |
| MAPSETREALMID | Identifier of a "Realm" to which a source is mapped, within which this cross mapping table is applicable. Used in cases where Realm specific business rules or guidelines alter the acceptable mappings. Realm is the same as used in SNOMED CT subsets. It includes a four character ISO6523 identifier followed by an optional series of concatenated subdivision codes defined by the registered organization. |
| MAPSETRSAB | Root source abbreviation for a map set |
| MAPSETRULETYPE | Indicates the types of rules used in a map set and cross map targets to which a source is mapped. |
| MAPSETSCHEMEID | Standard identifier for the scheme to which a map set belongs. This may be an International Coding Scheme Identifier (ISO7826) or an Object Identifier (OID) used as specified by HL7. |
| MAPSETSCHEMENAME | Full name of the target scheme in a map set. |
| MAPSETSCHEMEVERSION | Version number of the target scheme (as published by the issuing organization) in a map set. |
| MAPSETSEPARATORCODE | XML entity code (for example, "c;" to represent the vertical-bar character) for the character used as a separator between the individual codes in the target codes field in a map set. |
| MAPSETSID | Source asserted identifier for a map set |
| MAPSETTYPE | Indicates the nature of a map set. Its value is map set specific. It can be used to indicate the inclusion of one to one, one to many and choices of maps. |
| MAPSETVERSION | Version of the map set |
| MAPSETVSAB | Versioned source abbreviation for a map set |
| MAPSETXRTARGETID | Map set target identifier used for XR mappings. |
| MDA | MeSH date of entry YYYYMMDD - date the term was added to the MeSH file, which is prior to the date the term became available for indexing and searching MEDLARS citations. Terms that have been part of MeSH for many years may have no value in this element. |
| MEA | In NOC, the "measurement scale" used for a particular outcome. |
| MED1901 | Medline citation counts from articles dated 1901. |
| MED1902 | Medline citation counts from articles dated 1902. |
| MED1903 | Medline citation counts from articles dated 1903. |
| MED1904 | Medline citation counts from articles dated 1904. |
| MED1905 | Medline citation counts from articles dated 1905. |
| MED1906 | Medline citation counts from articles dated 1906. |
| MED1907 | Medline citation counts from articles dated 1907. |
| MED1908 | Medline citation counts from articles dated 1908. |
| MED1909 | Medline citation counts from articles dated 1909. |
| MED1910 | Medline citation counts from articles dated 1910. |
| MED1911 | Medline citation counts from articles dated 1911. |
| MED1912 | Medline citation counts from articles dated 1912. |
| MED1913 | Medline citation counts from articles dated 1913. |
| MED1914 | Medline citation counts from articles dated 1914. |
| MED1915 | Medline citation counts from articles dated 1915. |
| MED1916 | Medline citation counts from articles dated 1916. |
| MED1917 | Medline citation counts from articles dated 1917. |
| MED1918 | Medline citation counts from articles dated 1918. |
| MED1919 | Medline citation counts from articles dated 1919. |
| MED1920 | Medline citation counts from articles dated 1920. |
| MED1921 | Medline citation counts from articles dated 1921. |
| MED1922 | Medline citation counts from articles dated 1922. |
| MED1923 | Medline citation counts from articles dated 1923. |
| MED1924 | Medline citation counts from articles dated 1924. |
| MED1925 | Medline citation counts from articles dated 1925. |
| MED1926 | Medline citation counts from articles dated 1926. |
| MED1927 | Medline citation counts from articles dated 1927. |
| MED1928 | Medline citation counts from articles dated 1928. |
| MED1929 | Medline citation counts from articles dated 1929. |
| MED1930 | Medline citation counts from articles dated 1930. |
| MED1931 | Medline citation counts from articles dated 1931. |
| MED1932 | Medline citation counts from articles dated 1932. |
| MED1933 | Medline citation counts from articles dated 1933. |
| MED1934 | Medline citation counts from articles dated 1934. |
| MED1935 | Medline citation counts from articles dated 1935. |
| MED1936 | Medline citation counts from articles dated 1936. |
| MED1937 | Medline citation counts from articles dated 1937. |
| MED1938 | Medline citation counts from articles dated 1938. |
| MED1939 | Medline citation counts from articles dated 1939. |
| MED1940 | Medline citation counts from articles dated 1940. |
| MED1941 | Medline citation counts from articles dated 1941. |
| MED1942 | Medline citation counts from articles dated 1942. |
| MED1943 | Medline citation counts from articles dated 1943. |
| MED1944 | Medline citation counts from articles dated 1944. |
| MED1945 | Medline citation counts from articles dated 1945. |
| MED1946 | Medline citation counts from articles dated 1946. |
| MED1947 | Medline citation counts from articles dated 1947. |
| MED1948 | Medline citation counts from articles dated 1948. |
| MED1949 | Medline citation counts from articles dated 1949. |
| MED1950 | Medline citation counts from articles dated 1950. |
| MED1951 | Medline citation counts from articles dated 1951. |
| MED1952 | Medline citation counts from articles dated 1952. |
| MED1953 | Medline citation counts from articles dated 1953. |
| MED1954 | Medline citation counts from articles dated 1954. |
| MED1955 | Medline citation counts from articles dated 1955. |
| MED1956 | Medline citation counts from articles dated 1956. |
| MED1957 | Medline citation counts from articles dated 1957. |
| MED1958 | Medline citation counts from articles dated 1958. |
| MED1959 | Medline citation counts from articles dated 1959. |
| MED1960 | Medline citation counts from articles dated 1960. |
| MED1961 | Medline citation counts from articles dated 1961. |
| MED1962 | Medline citation counts from articles dated 1962. |
| MED1963 | Medline citation counts from articles dated 1963. |
| MED1964 | Medline citation counts from articles dated 1964. |
| MED1965 | Medline citation counts from articles dated 1965. |
| MED1966 | Medline citation counts from articles dated 1966. |
| MED1967 | Medline citation counts from articles dated 1967. |
| MED1968 | Medline citation counts from articles dated 1968. |
| MED1969 | Medline citation counts from articles dated 1969. |
| MED1970 | Medline citation counts from articles dated 1970. |
| MED1971 | Medline citation counts from articles dated 1971. |
| MED1972 | Medline citation counts from articles dated 1972. |
| MED1973 | Medline citation counts from articles dated 1973. |
| MED1974 | Medline citation counts from articles dated 1974. |
| MED1975 | Medline citation counts from articles dated 1975. |
| MED1976 | Medline citation counts from articles dated 1976. |
| MED1977 | Medline citation counts from articles dated 1977. |
| MED1978 | Medline citation counts from articles dated 1978. |
| MED1979 | Medline citation counts from articles dated 1979. |
| MED1980 | Medline citation counts from articles dated 1980. |
| MED1981 | Medline citation counts from articles dated 1981. |
| MED1982 | Medline citation counts from articles dated 1982. |
| MED1983 | Medline citation counts from articles dated 1983. |
| MED1984 | Medline citation counts from articles dated 1984. |
| MED1985 | Medline citation counts from articles dated 1985. |
| MED1986 | Medline citation counts from articles dated 1986. |
| MED1987 | Medline citation counts from articles dated 1987. |
| MED1988 | Medline citation counts from articles dated 1988. |
| MED1989 | Medline citation counts from articles dated 1989. |
| MED1990 | Medline citation counts from articles dated 1990. |
| MED1991 | Medline citation counts from articles dated 1991. |
| MED1992 | Medline citation counts from articles dated 1992. |
| MED1993 | Medline citation counts from articles dated 1993. |
| MED1994 | Medline citation counts from articles dated 1994. |
| MED1995 | Medline citation counts from articles dated 1995. |
| MED1996 | Medline citation counts from articles dated 1996. |
| MED1997 | Medline citation counts from articles dated 1997. |
| MED1998 | Medline citation counts from articles dated 1998. |
| MED1999 | Medline citation counts from articles dated 1999. |
| MED2000 | Medline citation counts from articles dated 2000. |
| MED2001 | Medline citation counts from articles dated 2001. |
| MED2002 | Medline citation counts from articles dated 2002. |
| MED2003 | Medline citation counts from articles dated 2003. |
| MED2004 | Medline citation counts from articles dated 2004. |
| MED2005 | Medline citation counts from articles dated 2005. |
| MED2006 | Medline citation counts from articles dated 2006. |
| MED2007 | Medline citation counts from articles dated 2007. |
| MED2008 | Medline citation counts from articles dated 2008. |
| MED2009 | Medline citation counts from articles dated 2009. |
| MENU_PARENT | Link information to Term Menu parent. This may not always be the same as the TermParent. Element will not exist for top level menus, e.g. cancer. |
| MENU_TYPE | Values are Clinical Trials--Cancer Type, Clinical Trials--Drug, or Cancer Information. |
| MESH_NAME | MeSH name |
| MESH_UI | The MeSH Unique Identifier to which the given NDFRT term maps |
| MGD_ID | MGD ID |
| MGI_ACCESSION_ID | MGI_Accession_ID |
| MICRONUTRIENT | Micronutrient |
| MIMTYPEMEANING | OMIM MimType Meaning |
| MIMTYPEVALUE | OMIM MimType Value |
| MIMTYPE | OMIM Entry Type |
| MISO | MedDRA Serial Code International SOC Sort Order Digit (01-26) |
| MITELMAN_CODE | Mitelman Code |
| MMR | MeSH revision date YYYYMMDD - date of the last major revision to the term's MeSH record. |
| MN | MeSH hierarchical number for the concept in the MeSH tree structures. This number also appears in the HCD subelement of the REL and CXT elements. |
| MODIFIER | Modifier |
| MOVED_FROM | Moved From |
| MPS | MedDRA primary SOC (PTs may have multiple treepositions, but each has a primary soc) |
| MR | Major revision date YYYYMMDD - date the Metathesaurus entry for the concept underwent any revision in content. |
| MSC | Minimal Standard (Terminology) Class |
| MSP | SPN Medical Specialty Panel (responsible for reviewing the product). |
| MTH_MAPFROMCOMPLEXITY | Indicates the complexity of "from" expressions used in a map set |
| MTH_MAPFROMEXHAUSTIVE | Indicates whether or not the "from" source of a map set is completely mapped |
| MTH_MAPSETCOMPLEXITY | Indicates the overall complexity of a map set |
| MTH_MAPTOCOMPLEXITY | Indicates the complexity of "to" expressions in a map set |
| MTH_MAPTOEXHAUSTIVE | Indicates whether or not the "to" source is completely mapped |
| MTH_REF | Metathesaurus form of references or citations related to a given atom or concept. |
| MTH_SOS | Metathesaurus version of SOS |
| MTH_UMLSMAPSETSEPARATOR | The character used in the UMLS Metathesaurus as a separator between the individual codes in the target codes field of the cross map targets to which a source is mapped. |
| MUSCLE_INSERTION | Muscle insertion |
| MUSCLE_ORIGIN | Muscle origin |
| MXR | MedDRA cross reference to COSTART, HARTS, ICD9, ICD-9-CM, J-ART or WHOART |
| NAT | Neuronames Anatomy Type - indication of the type of anatomy represented by a Neuronames concept name. |
| NA | Neuronames Abbreviation - short abbreviation for a concept name in the Neuronames thesaurus. |
| NCBI_TAXON_ID | NCBI_Taxon_ID |
| NCI_ID | NCI thesaurus concept id |
| NCI_PT | NCI preferred term |
| NC_NAME | NCI Concept Name |
| NDC | National Drug Code corresponding to a clinical drug (e.g. 000023082503) |
| NDFRT_KIND | NDFRT kind |
| NDF_STRENGTH | NDF strength |
| NDF_TRANSMIT_TO_CMOP | NDF Transmit to Consolidated Mail Outpatient Pharmacy (CMOP) |
| NDF_UNITS | NDF units |
| NFI | National formulary indicator - "YES" or "NO" indicating whether a drug is in the VA's National Formulary |
| NF_INACTIVATE | National Formulary Inactivation Date - the date a drug was removed from the VA's National Formulary |
| NF_NAME | National Formulary Name |
| NH | NonHuman Flag - single character: Y. An indication that the concept does not apply to human beings, used only when the concept's Semantic type(s) could imply the contrary. For example, the concept BEAK and CLAW are assigned the Semantic type" Body Part, Organ, or Organ Component", but do not apply to human beings. |
| NSC_CODE | NSC Code |
| NSR | Neuronames Species Restriction - indication that a Neuronames concept applies only to humans or only to macaques. Most Neuronames concepts apply to both and have no species restriction. |
| NST | Normalized strength and units for drugs with one active ingredient (e.g. 769 MG) |
| NUI | NDFRT numerical unique identifier |
| NUTRIENT | Nutrient |
| OL | MeSH Online Note - information helpful to online searchers of MEDLINE, especially when the history of a term or cross-reference has implications for online searching. This is a potential source of useful information for rules for search interface programs. |
| OMIM_ID | OMIM ID |
| OMIM_NUMBER | OMIM Number |
| ORIG_CODE | Original code associated with this string |
| ORIG_SOURCE | Original source associated with this string |
| ORIG_STY | Original semantic type |
| ORIG_TTY | Original term type |
| ORIG_VSAB | Original versioned source abbreviation |
| OUTCOME_EXAMPLES | Outcome examples |
| OUTCOME_INDICATORS | Outcome indicators |
| OUTCOME_STATEMENT | Outcome statement |
| PARENT_CLASS | VA Internal entry number of the parent class |
| PARTITION | Partition |
| PA | Pharmacologic Action of MeSH main headings (MH) for drugs and supplementary concept names (NM). The information in this element is also represented by an "isa" relationship between the MH or NM concept and the MeSH concept name for the class of drugs with a particular pharmacologic action. |
| PCL | Pharmacy Practice Activity Classification (PPAC) Category - all terms are assigned to one of five categories, which connote their hierarchy. |
| PDC | SPN Product Device Class (level of CDRH regulation: class 1, 2, or 3). |
| PDQ_CLOSED_TRIAL_SEARCH_ID | PDQ Closed Trial Search ID |
| PDQ_OPEN_TRIAL_SEARCH_ID | PDQ Open Trial Search ID |
| PID | Legacy PDQ ID |
| PI | MeSH heading or heading/subheading combination(s) followed by a date range in parentheses (YYYY). |
| PLR | Pharmacy Practice Activity Classification (PPAC) Last Revision Date (Format: M/DD/YY time) |
| PMID | Pubmed ID |
| PM | Public MeSH note - combines key information from the HN and PI elements in a format that is printed in the MeSH publications. |
| POLARITY | Polarity |
| PRC | Product Third Party Review Code from SPN. |
| PREFERRED_NAME | Preferred name. |
| PREF_FLAG_ID | Preferred flag |
| PREV_NAME | Previous name |
| PREV_SYMBOL | Previous symbol |
| PTR | SPN Product Tier (level of CDRH triage: 1, 2, 3, or E{xempt}). |
| PUBMEDID_PRIMARY_REFERENCE | PubMedID Primary Reference |
| PXC | PDQ Protocol Exclusion Criteria - terms with type "exclusion criteria," which may be indexed on protocol records to identify conditions that exclude a patient from eligibility. |
| PYR | PsychInfo year designation |
| QA | MeSH Topical Qualifier Abbreviation - for MeSH subheadings (Term Type=TQ), an abbreviation that may be used in place of the full text of the abbreviation in searching on NLM's system and possibly on other systems offering NLM data. |
| RANK | NCBI Rank (e.g. RANK[NCBI]species) |
| REFINABILITY | Indicates whether it is possible or mandatory to refine the atom when this relationship is used as a template for clinical data entry. |
| REFSEQ_ID | RefSeq ID |
| REF | References or citations related to a given atom or concept. |
| RELATEDFACTORS | Related factors |
| RELATED_LASH_CONCEPT | Related Lash Concept |
| RELATED_MEDDRA_CODE | Related MedDRA Code |
| REMARKS | Specific coding instructions |
| RID | Read Codes Term_id - identifier assigned to a Read term, used in referring to the term in the Read file structure, and may be used in clinical information systems. |
| RISKFACTORS | Risk factors |
| RN | Registry Number - series of numbers and hyphens (any leading zeros in an RN are dropped) or a series of numbers and periods, preceded by EC |
| RR | The Chemical Abstracts Registry numbers for salts, optical isomers, or isotope-labeled versions of the concept followed by the relationship of this RR to the RN (in parentheses.) Applies to chemicals only. These numbers can be used as links to information in a number of chemical and toxicological databases. |
| RXAUI | RxNorm atom identifier for the atom it is connected to |
| RXCUI | RxNorm concept identifier for the atom this is connected to |
| RXNORM_CUI | RxNorm concept unique identifier |
| RXNORM_NAME | RxNorm name |
| RXNORM_PTT | RxNorm preferred translation term - Values can be "true" or "false" |
| RXN_ACTIVATED | Date the RxNorm atom was reactivated |
| RXN_BN_CARDINALITY | Cardinality of RxNorm Brand Name Atom |
| RXN_IN_STRENGTH_FLAG | Strength Expressed As Precise Flag |
| RXN_OBSOLETED | Date the RxNorm atom became obsolete |
| RXN_QUANTITY | Normal Form quantity factor |
| RXO | Drug Description from NDF - R for Rx and O for OTC |
| RXR | Replacement: cross reference from obsolete code to current code |
| SB | SNOMED International subset indicator - valid values: * =can code using two T codes or G code for laterality B Bethesda system (Morphology); IC= ICDO (Oncology) related; N=Nursing; N* =Nursing, provisional; U=Ultrastructure (Morphology); V= Veterinary= V* =Veterinary AND can code using two T codes or G code for laterality (Topography) |
| SECONDLEVEL | Second Level code |
| SHAPE_TYPE | Shape type |
| SHARED_OR_UNSHARED | Shared or Unshared |
| SHF | SNOMED Hospital Formulary Code - the American Hospital Formulary Code for a chemical contained in SNOMED International (e.g. 84:24:12) |
| SIC | SNOMED ICD9CM Reference - the ICD9CM code or codes listed as relevant to the meaning of the concept in SNOMED International. |
| SID | Secondary GO ID (e.g. GO:0020034) |
| SMQ_ALGO | Standardised MedDRA Query (SMQ) Algorithm. Boolean expression of algorithm for the SMQ. "N" if the SMQ does not utilize an algorithm. |
| SMQ_LEVEL | Standardised MedDRA Query (SMQ) Level. Value between 1 and 5 identifying the level of the SMQ within the hierarchy of SMQs; 1 is the most general, 5 is the most narrow. |
| SMQ_SOURCE | Standardised MedDRA Query (SMQ) Source. Source for the development of the SMQ, e.g. medical references. |
| SMQ_STATUS | Standardised MedDRA Query (SMQ) Status. "A" = active; "I" = inactive. |
| SMQ_TERM_ADDVERSION | Standardised MedDRA Query (SMQ) Addition Version. Version of MedDRA in which term was added to the SMQ. |
| SMQ_TERM_CAT | Standardised MedDRA Query (SMQ) Term Category. A single alphabetical letter indicating the category of the term for application of the SMQ algorithm. If the SMQ does not use algorithms, then all Term_category values are assigned "A." For a child SMQ, this field is assigned "S." |
| SMQ_TERM_LEVEL | Standardised MedDRA Query (SMQ) Term Level. The MedDRA hierarchy level of a term (4=PT, 5=LLT) or 0 (zero) for a child SMQ. |
| SMQ_TERM_LMVERSION | Standardised MedDRA Query (SMQ) Last Modified Version. Version of MedDRA in which term was last modified in the SMQ. |
| SMQ_TERM_SCOPE | Standardised MedDRA Query (SMQ) Term Scope. Defines the MedDRA term as a member of the broad scope (1), narrow scope (2) of the SMQ search, or a child SMQ (0) (zero). |
| SMQ_TERM_STATUS | Standardised MedDRA Query (SMQ) Term Status. Identifies a term as active ("A") or inactive ("I") within this SMQ. |
| SMQ_TERM_WEIGHT | Standardised MedDRA Query (SMQ) Term Weight. Used for some SMQ algorithms; "0" is used as default. |
| SMX | SNOMED Multiaxial coding - an alphanumeric string that includes hyphens, parentheses, and sometimes ellipses. |
| SNGL_OR_MULT_SRC_PRD | Single or multi-source product |
| SNOMEDID | SNOMED RT identifier for a SNOMED CT concept |
| SNOMED_MAPID | The SNOMED CT CONCEPTID to which the given NDFRT term maps |
| SORT | Sort field |
| SOS | Scope Statement |
| SOURCE_UI | Unique identifier from the source |
| SPL_PL_MAPID | The VA/KP Problem List ID to which the given NDFRT term maps |
| SPL_SET_ID | FDA Structured Product Label SET_ID code |
| SRC | MeSH Literature source of chemical name - a citation to an article in a journal indexed for MEDLINE in which the chemical has been identified. (Note: Not to be confused with source abbreviation of SRC) |
| STATE_OF_DETERMINATION | State of determination |
| STATUS | Indicates status of "active" (current) or "inactive" (obsolete/deprecated) |
| ST | Concept Attributes Status - valid values: R Reviewed, U Unreviewed |
| SUBSETCONTEXTID | SNOMED CT identifier of a subset |
| SUBSETLANGUAGECODE | SNOMED CT identifier of a language and, if appropriate, a dialect to which a subset applies. |
| SUBSETMEMBER | Indicates the subset(s) to which an atom belongs and its status (e.g., active, inactive) in the subset(s). |
| SUBSETORIGINALID | SNOMED CT identifier for the first version of the subset on which this subset is based. |
| SUBSETREALMID | "Realm" or context in which a SNOMED CT subset is used, e.g., nation, speciality, institution, etc. to which it applies. A four-character ISO6523 identifier followed by an optional series of concatenated subdivisions codes defined by the registered organization. |
| SUBSETTYPE | Single digit integer indicating the nature of a SNOMED CT subset and the type of SNOMED CT component that may be a member of the subset. The meaning of the non-zero values can be found in the SNOMED CT documentation; a value of 0 is not defined as a type. |
| SUBSETVERSION | SNOMED CT identifier for the version of a subset. An integer increased for each revised release. |
| SUBSOURCE | NCI SUBSOURCE |
| SWISS_PROT | Swiss Prot |
| SWP | Swiss Protein Number |
| SYCODE | Synonym Code |
| SYN_QUALIFIER | Synonym qualifier |
| TARGETSCHEMEID | Identifier for the target scheme in the map set. This may be an International Coding Scheme Identifier (ISO7826) or an Object Identifier (OID) used as specified by HL7. |
| TERMCODE | Term Code |
| TERMID | Term identifier |
| TERMSTATUS | Term status |
| TERMUI | Term unique identifier |
| THIRDLEVEL | Third Level code |
| TH | MeSH Thesaurus ID - identifies thesauri other than MeSH in which the MeSH heading or cross-reference is included. |
| TOLERABLE_LEVEL | Tolerable Level |
| TORSAB | Root source abbreviation for the "to" identifiers of a map set |
| TOVSAB | Versioned source abbreviation for the "to" identifiers of a map set |
| TRN | Trade name of product |
| TYPE | Multum Medical Supply Category (e.g. natural supplements) |
| UMLSRELA | UMLS relationship attribute |
| UMLSREL | The UMLS Metathesaurus REL relationship (SY, CHD, NT, BT, RT) assigned to SNOMED CT relationship identifiers. |
| UMLS_PTT | UMLS preferred translation term - Values can be "true" or "false" |
| UNII_CODE | FDA Unique Ingredient Identifier (UNII) Code |
| UNIT | Unit |
| UPN | NDFRT Universal Product Number (e.g. MSCMW97500) |
| URL | URL for corresponding health topic on MedlinePlus |
| USDA_ID | USDA ID |
| USE_FOR | Use For |
| US_RECOMMENDED_INTAKE | US Recommended Intake |
| UWT | A semantic type provided from terms from the University of Washington Digital Anatomist |
| VAC | VA Class - the code of an NDF/HT drug class name (e.g. AM110) |
| VA_CLASS_NAME | VA class name |
| VA_DISPENSE_UNIT | VA dispense unit |
| VA_GENERIC_NAME | VA generic name |
| VA_NDF_TYPE | VA NDF type - Values can be "Drug/Ingredient" or "Supply" |
| VIEW | View |
| VMO | VA CMOP (central mail - order pharmacy) ID |
| VUID | VHA unique identifier assigned to the product |
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