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| Unified Medical Language System | |
Printer-friendly VersionB.5 Source and Term Type Default Order of Precedence and Suppressibility
This Appendix displays the default order of Source|Term Types and suppressibility as set by NLM and distributed in the Metathesaurus® in MRRANK.RRF or MRRANK in ORF.
Effective with the 2008AA release, MTH|MM is no longer assigned to Metathesaurus strings with multiple meanings and has been deleted from this list. Ambiguous strings are identified in the AMBIGLUI.RRF (AMBIG.LUI in ORF) and AMBIGSUI.RRF (AMBIG.SUI in ORF) files.
Users are encouraged to change the order of Source|Term Type precedence and suppressibility to suit their requirements. The default settings will not be suitable for all applications. The highest ranking Source|Term Type within a concept determines the preferred name for that concept. Use MetamorphoSys (Section 6) to change the selection of preferred names or to alter suppressibility.
| Source Abbreviation | Term Type | Suppressible |
|---|---|---|
| MTH | PN | No |
| MSH | MH | No |
| MSH | TQ | No |
| MSH | PEP | No |
| MSH | PEN | No |
| MSH | EP | No |
| MSH | EN | No |
| MSH | XQ | No |
| MSH | PXQ | No |
| MSH | NM | No |
| RXNORM | SCD | No |
| RXNORM | SBD | No |
| RXNORM | SY | No |
| RXNORM | SCDF | No |
| RXNORM | SBDF | No |
| RXNORM | SCDC | No |
| RXNORM | DF | No |
| RXNORM | SBDC | No |
| RXNORM | BN | No |
| RXNORM | IN | No |
| RXNORM | BPCK | No |
| RXNORM | GPCK | No |
| DSM4 | PT | No |
| DSM3R | PT | No |
| SNOMEDCT | SB | No |
| SNOMEDCT | XM | No |
| SNOMEDCT | PT | No |
| SNOMEDCT | FN | No |
| SNOMEDCT | SY | No |
| SNOMEDCT | PTGB | No |
| SNOMEDCT | SYGB | No |
| SNOMEDCT | MTH_PT | No |
| SNOMEDCT | MTH_FN | No |
| SNOMEDCT | MTH_SY | No |
| SNOMEDCT | MTH_PTGB | No |
| SNOMEDCT | MTH_SYGB | No |
| NCBI | SCN | No |
| SNMI | PT | No |
| SNMI | PX | Yes |
| SNMI | HT | No |
| SNMI | HX | Yes |
| MTHSPL | MTH_RXN_DP | No |
| MTHSPL | DP | No |
| MTHSPL | SU | No |
| VANDF | PT | No |
| VANDF | CD | No |
| VANDF | IN | No |
| MDDB | CD | No |
| USPMG | HC | No |
| USPMG | HT | No |
| USPMG | PT | No |
| MMX | CD | No |
| RCDSA | PT | No |
| RCDSY | PT | No |
| RCDAE | PT | No |
| RCD | PT | No |
| MSH | N1 | No |
| MSH | PCE | No |
| MSH | CE | No |
| RCDSA | OP | Yes |
| RCDSY | OP | Yes |
| RCDAE | OP | Yes |
| RCD | OP | Yes |
| SNM | PT | No |
| SNMI | RT | No |
| SNM | RT | No |
| SNMI | SY | No |
| SNMI | SX | Yes |
| RCDSA | SY | No |
| RCDSY | SY | No |
| RCDAE | SY | No |
| RCD | SY | No |
| RCDSA | IS | Yes |
| RCDSY | IS | Yes |
| RCDAE | IS | Yes |
| RCD | IS | Yes |
| RCDAE | AT | No |
| RCD | AT | No |
| RCD | AS | Yes |
| SNMI | AD | No |
| SNM | SY | No |
| SNM | RS | No |
| CPM | PT | No |
| DDB | PT | No |
| DDB | SY | No |
| NEU | HT | No |
| NEU | PT | No |
| NEU | XX | No |
| NEU | SY | No |
| UWDA | PT | No |
| UWDA | SY | No |
| UMD | PT | No |
| UMD | SY | No |
| UMD | ET | No |
| UMD | RT | No |
| GS | CD | No |
| MMSL | CD | No |
| GS | MTH_RXN_BD | No |
| GS | BD | No |
| MMSL | MTH_RXN_BD | No |
| MMSL | BD | No |
| MMSL | SC | No |
| MMSL | MS | No |
| MMSL | GN | No |
| MMSL | BN | No |
| MMSL | IN | No |
| VANDF | MTH_RXN_CD | No |
| MTHFDA | MTH_RXN_CD | No |
| MTHFDA | CD | No |
| NDDF | CDC | No |
| NDDF | CDD | No |
| NDDF | CDA | No |
| NDDF | IN | No |
| NDDF | DF | No |
| NDFRT | CD | No |
| NDFRT | CDC | No |
| NDFRT | HT | No |
| NDFRT | IN | No |
| NDFRT | INP | No |
| NDFRT | DI | No |
| NDFRT | PE | No |
| NDFRT | MOA | No |
| NDFRT | DF | No |
| NDFRT | PK | No |
| NDFRT | SY | No |
| SPN | PT | No |
| MDR | PT | No |
| MDR | MTH_PT | No |
| MDR | HG | No |
| MDR | MTH_HG | No |
| MDR | OS | No |
| MDR | MTH_OS | No |
| MDR | HT | No |
| MDR | MTH_HT | No |
| MDR | LT | No |
| MDR | MTH_LT | No |
| MDR | SMQ | No |
| MDR | MTH_SMQ | No |
| MDR | XM | No |
| CST | PT | No |
| WHO | PT | No |
| WHO | OS | No |
| WHO | HT | No |
| WHO | IT | No |
| AIR | HT | No |
| AIR | FI | No |
| AIR | DI | No |
| AIR | SY | No |
| ULT | PT | No |
| CPT | PT | No |
| CPT | MTH_PT | No |
| CPT | SY | No |
| CPT | MP | No |
| HCPT | PT | No |
| HCPCS | PT | No |
| CDT | PT | No |
| HCDT | PT | No |
| HCPCS | MTH_PT | No |
| HCPCS | MP | No |
| HCPT | MTH_PT | No |
| HCPT | MP | No |
| ICD10AE | PT | No |
| ICD10 | PT | No |
| ICD10AE | PX | No |
| ICD10 | PX | No |
| ICD10AE | PS | Yes |
| ICD10 | PS | Yes |
| ICD10AMAE | PT | No |
| ICD10AM | PT | No |
| ICD10AMAE | PX | No |
| ICD10AM | PX | No |
| ICD10AMAE | PS | Yes |
| ICD10AM | PS | Yes |
| OMIM | PT | No |
| OMIM | PTAV | No |
| OMIM | PTCS | No |
| OMIM | SYN | No |
| OMIM | ET | No |
| OMIM | ETAV | No |
| OMIM | HT | No |
| OMIM | ACR | No |
| HUGO | PT | No |
| HUGO | ACR | No |
| HUGO | SYN | No |
| ICNP | PT | No |
| ICNP | MTH_PT | No |
| ICNP | OWL | No |
| PNDS | PX | No |
| PNDS | PS | No |
| PNDS | IV | No |
| PNDS | DX | No |
| PNDS | HT | No |
| PDQ | PT | No |
| PDQ | HT | No |
| PDQ | PSC | No |
| PDQ | SY | No |
| PDQ | MTH_SY | No |
| NCI | PT | No |
| NCI | CDCPT | No |
| NCI | CDISCPT | No |
| NCI | CDISCSY | No |
| NCI | CSN | No |
| NCI | DCPPT | No |
| NCI | DCPSY | No |
| NCI | DN | No |
| NCI | DTPPT | No |
| NCI | DTPSY | No |
| NCI | FBD | No |
| NCI | FDAAB | No |
| NCI | FDAPT | No |
| NCI | FDASY | No |
| NCI | HD | No |
| NCI | SY | No |
| NCI | RENIDN | No |
| NCI | BioCPT | No |
| NCI | CCN | Yes |
| NCI | CTCAEPT | No |
| NCI | CCS | Yes |
| NCI | JAXPT | No |
| NCI | JAXSY | No |
| NCI | KEGGPT | No |
| NCI | NCI-GLOSSPT | No |
| NCI | NCI-GLOSSSY | No |
| NCI | OP | Yes |
| NCI | AD | No |
| NCI | CA2 | No |
| NCI | CA3 | No |
| NCI | BN | No |
| NCI | AB | No |
| MTHICPC2EAE | PT | No |
| ICPC2EENG | PT | No |
| MTHICPC2ICD107B | PT | No |
| MTHICPC2ICD10AE | PT | No |
| ICPC2ICD10ENG | PT | No |
| ICPC | PX | No |
| ICPC | PT | No |
| ICPC | PS | Yes |
| ICPC | PC | No |
| ICPC | CX | No |
| ICPC | CP | No |
| ICPC | CS | Yes |
| ICPC | CC | No |
| ICPC2EENG | CO | No |
| ICPC | CO | No |
| MTHICPC2EAE | AB | Yes |
| ICPC2EENG | AB | Yes |
| CCPSS | TX | No |
| CCPSS | TC | Yes |
| CCPSS | PT | No |
| CCPSS | MP | No |
| ICPC2P | PTN | No |
| ICPC2P | MTH_PTN | No |
| ICPC2P | PT | No |
| ICPC2P | MTH_PT | Yes |
| ICPC2P | OPN | Yes |
| ICPC2P | MTH_OPN | Yes |
| ICPC2P | OP | Yes |
| ICPC2P | MTH_OP | Yes |
| AOD | DE | No |
| AOD | DS | No |
| AOD | XD | No |
| AOD | FN | No |
| AOT | PT | No |
| AOT | ET | No |
| AOD | ET | No |
| AOD | ES | No |
| AOD | EX | No |
| AOD | NP | No |
| AOD | NS | No |
| AOD | NX | No |
| HCPCS | OP | Yes |
| CDT | OP | Yes |
| HCDT | OP | Yes |
| HCPT | OP | Yes |
| HCPCS | OM | Yes |
| HCPCS | OAM | Yes |
| GO | PT | No |
| GO | MTH_PT | No |
| GO | BSY | No |
| GO | MTH_BSY | No |
| GO | SY | No |
| GO | MTH_SY | No |
| GO | NSY | No |
| GO | MTH_NSY | No |
| GO | OBS | Yes |
| GO | IS | Yes |
| GO | MTH_IS | Yes |
| GO | ONS | Yes |
| GO | RLS | No |
| GO | MTH_RLS | No |
| GO | ORS | Yes |
| GO | OP | Yes |
| GO | MTH_OP | Yes |
| JABL | PC | No |
| JABL | PT | No |
| JABL | SS | No |
| JABL | SY | No |
| PDQ | ET | No |
| PDQ | CU | No |
| PDQ | MTH_LV | No |
| PDQ | LV | No |
| PDQ | MTH_AB | No |
| PDQ | MTH_ACR | No |
| PDQ | ACR | No |
| PDQ | AB | No |
| PDQ | BD | No |
| PDQ | FBD | No |
| PDQ | OP | Yes |
| PDQ | CCN | No |
| PDQ | CHN | No |
| PDQ | MTH_CHN | No |
| PDQ | IS | Yes |
| PDQ | MTH_BD | No |
| NCBI | USN | No |
| NCBI | USY | No |
| NCBI | SY | No |
| NCBI | UCN | No |
| NCBI | CMN | No |
| NCBI | UE | No |
| NCBI | EQ | No |
| BI | PT | No |
| BI | SY | No |
| BI | RT | No |
| LNC_OASIS | LX | No |
| LNC_PHQ_9 | LX | No |
| LNC_BRADEN | LX | No |
| LNC_FLACC | LX | No |
| LNC_WHO | LX | No |
| LNC_MDS | LX | No |
| LNC | LX | No |
| LNC_BRADEN | LN | No |
| LNC_FLACC | LN | No |
| LNC_WHO | LN | No |
| LNC_MDS | LN | No |
| LNC_PHQ_9 | LN | No |
| LNC_OASIS | LN | No |
| LNC | LN | No |
| LNC | OSN | No |
| LNC | CX | No |
| LNC | LPN | No |
| LNC | LPDN | No |
| LNC | HC | No |
| LNC | HS | No |
| LNC | CN | No |
| LNC | SX | No |
| LNC | SN | No |
| LNC | XM | No |
| LNC | LS | No |
| LNC_PHQ_9 | LO | Yes |
| LNC | LO | Yes |
| LNC_PHQ_9 | OLX | Yes |
| LNC | OLX | Yes |
| LNC | OOSN | Yes |
| DSM4 | HT | No |
| DSM3R | HT | No |
| SNM | HT | No |
| ICD9CM | PT | No |
| MDR | OL | Yes |
| MDR | MTH_OL | Yes |
| ICD9CM | HT | No |
| CCS | HT | No |
| CCS | MD | No |
| CCS | SD | No |
| CCS | MV | No |
| CCS | SP | No |
| CCS | XM | No |
| ICPC2ICD10ENG | XM | No |
| ICD10AE | HT | No |
| ICD10 | HT | No |
| ICD10AE | HX | No |
| ICD10 | HX | No |
| ICD10AE | HS | Yes |
| ICD10 | HS | Yes |
| ICD10AMAE | HT | No |
| ICD10AM | HT | No |
| UMD | HT | No |
| ICPC | HT | No |
| RAM | PT | No |
| RAM | RT | No |
| QMR | PT | No |
| HL7V3.0 | PT | No |
| HL7V3.0 | MTH_PT | No |
| HL7V3.0 | NPT | No |
| HL7V3.0 | MTH_NPT | No |
| HL7V3.0 | OP | Yes |
| HL7V3.0 | ONP | Yes |
| MTHHL7V2.5 | PT | No |
| HL7V2.5 | PT | No |
| HL7V2.5 | HTN | No |
| MTHCH | HT | No |
| MTHHH | HT | No |
| HHC | DX | No |
| BI | AB | No |
| HHC | IV | No |
| HHC | CO | No |
| NIC | IV | No |
| NIC | HC | No |
| NAN | PT | No |
| NAN | HT | No |
| NAN | HC | No |
| NAN | RT | No |
| OMS | MTH_SI | No |
| OMS | PR | No |
| OMS | TG | No |
| OMS | HT | No |
| OMS | PQ | No |
| OMS | IVC | No |
| OMS | SI | No |
| OMS | SCALE | No |
| NIC | AC | No |
| NOC | OC | No |
| NOC | MTH_ID | No |
| NOC | ID | No |
| PCDS | GO | No |
| PCDS | OR | No |
| PCDS | PR | No |
| NIC | HT | No |
| NOC | HT | No |
| NOC | HC | No |
| HHC | MP | No |
| PCDS | CO | No |
| PCDS | HX | No |
| PCDS | HT | No |
| COSTAR | PT | No |
| DXP | DI | No |
| DXP | FI | No |
| DXP | SY | No |
| MCM | PT | No |
| MCM | RT | No |
| PPAC | DO | No |
| PPAC | CL | No |
| PPAC | AC | No |
| PPAC | ST | No |
| PPAC | TA | No |
| ALT | PT | No |
| ALT | HT | No |
| MTH | CV | No |
| MTH | XM | No |
| MTH | PT | No |
| MTH | SY | No |
| MTH | RT | No |
| DSM3R | SY | No |
| DSM3R | RT | No |
| MTHICD9 | ET | No |
| ICD9CM | AB | Yes |
| CST | SC | No |
| CST | HT | No |
| CST | GT | No |
| PSY | PT | No |
| PSY | HT | No |
| PSY | ET | No |
| MTHMST | PT | No |
| MTHMST | SY | No |
| MEDLINEPLUS | PT | No |
| MEDLINEPLUS | XM | No |
| MEDLINEPLUS | ET | No |
| LCH | PT | No |
| MSH | HT | No |
| MSH | HS | No |
| MSH | DEV | Yes |
| MSH | DSV | Yes |
| MSH | QAB | Yes |
| MSH | QEV | Yes |
| MSH | QSV | Yes |
| MSH | PM | No |
| CPT | AB | Yes |
| HCPT | AB | Yes |
| HCPCS | AB | Yes |
| RCDSA | AB | Yes |
| RCDSY | AB | Yes |
| RCDAE | AB | Yes |
| RCD | AB | Yes |
| RCDSA | OA | Yes |
| RCDSY | OA | Yes |
| RCDAE | OA | Yes |
| RCD | OA | Yes |
| RCDAE | AA | Yes |
| RCD | AA | Yes |
| CSP | PT | No |
| CSP | SY | No |
| CSP | ET | No |
| CSP | AB | No |
| MTH | DT | No |
| HCPT | OA | Yes |
| HCPT | AM | Yes |
| HCPCS | OA | Yes |
| HCPCS | AM | Yes |
| CDT | AB | Yes |
| HCDT | AB | Yes |
| ALT | AB | Yes |
| CDT | OA | Yes |
| HCDT | OA | Yes |
| RXNORM | ET | No |
| RXNORM | OCD | Yes |
| SNOMEDCT | OP | Yes |
| SNOMEDCT | OB | Yes |
| SNOMEDCT | OF | Yes |
| SNOMEDCT | IS | Yes |
| SNOMEDCT | MTH_OF | Yes |
| SNOMEDCT | MTH_OP | Yes |
| SNOMEDCT | MTH_IS | Yes |
| SCTSPA | PT | No |
| SCTSPA | SB | No |
| SCTSPA | FN | No |
| SCTSPA | IS | Yes |
| SCTSPA | OF | Yes |
| SCTSPA | OP | Yes |
| SCTSPA | SY | No |
| SCTSPA | MTH_PT | No |
| SCTSPA | MTH_FN | No |
| SCTSPA | MTH_IS | Yes |
| SCTSPA | MTH_OF | Yes |
| SCTSPA | MTH_OP | Yes |
| SCTSPA | MTH_SY | No |
| MSHPOR | MH | No |
| MSHPOR | PEP | No |
| MSHPOR | EP | No |
| MSHPOR | SY | No |
| MSHSPA | MH | No |
| MSHSPA | PEP | No |
| MSHSPA | EP | No |
| MSHSPA | SY | No |
| MSHSPA | MTH_MH | No |
| MSHSPA | MTH_PEP | No |
| MSHSPA | MTH_EP | No |
| MSHSPA | MTH_SY | No |
| MSHCZE | MH | No |
| MSHCZE | PEP | No |
| MSHCZE | PEN | No |
| MSHCZE | EN | No |
| MSHCZE | EP | No |
| MSHDUT | MH | No |
| MSHSWE | MH | No |
| MSHSWE | ET | No |
| MSHJPN | MH | No |
| MSHGER | MH | No |
| MSHGER | PEP | No |
| MSHGER | PEN | No |
| MSHGER | EP | No |
| MSHGER | EN | No |
| MSHFIN | MH | No |
| MSHFRE | MH | No |
| MSHFRE | PEP | No |
| MSHFRE | PEN | No |
| MSHFRE | EP | No |
| MSHFRE | EN | No |
| MSHITA | MH | No |
| MSHITA | PEP | No |
| MSHITA | PEN | No |
| MSHITA | EP | No |
| MSHRUS | MH | No |
| MSHRUS | SY | No |
| MSHDUT | SY | No |
| MSHJPN | SY | No |
| MDRSPA | PT | No |
| MDRSPA | MTH_PT | No |
| MDRSPA | HG | No |
| MDRSPA | MTH_HG | No |
| MDRSPA | HT | No |
| MDRSPA | MTH_HT | No |
| MDRSPA | LT | No |
| MDRSPA | MTH_LT | No |
| MDRSPA | SMQ | No |
| MDRSPA | MTH_SMQ | No |
| MDRSPA | OL | Yes |
| MDRSPA | MTH_OL | Yes |
| MDRDUT | PT | No |
| MDRDUT | HG | No |
| MDRDUT | HT | No |
| MDRDUT | LT | No |
| MDRDUT | SMQ | No |
| MDRDUT | OL | Yes |
| MDRFRE | PT | No |
| MDRFRE | HG | No |
| MDRFRE | HT | No |
| MDRFRE | LT | No |
| MDRFRE | SMQ | No |
| MDRFRE | OL | Yes |
| MDRGER | PT | No |
| MDRGER | HG | No |
| MDRGER | HT | No |
| MDRGER | LT | No |
| MDRGER | SMQ | No |
| MDRGER | OL | Yes |
| MDRITA | PT | No |
| MDRITA | HG | No |
| MDRITA | HT | No |
| MDRITA | LT | No |
| MDRITA | SMQ | No |
| MDRITA | OL | Yes |
| MDRJPN | PT | No |
| MDRJPN | PTJKN | No |
| MDRJPN | PTJKN1 | No |
| MDRJPN | HG | No |
| MDRJPN | HGJKN | No |
| MDRJPN | HGJKN1 | No |
| MDRJPN | HT | No |
| MDRJPN | HTJKN | No |
| MDRJPN | HTJKN1 | No |
| MDRJPN | LT | No |
| MDRJPN | LTJKN | No |
| MDRJPN | LTJKN1 | No |
| MDRJPN | SMQ | No |
| MDRJPN | OL | Yes |
| MDRJPN | OLJKN | Yes |
| MDRJPN | OLJKN1 | Yes |
| MDRPOR | PT | No |
| MDRPOR | HG | No |
| MDRPOR | HT | No |
| MDRPOR | LT | No |
| MDRPOR | SMQ | No |
| MDRPOR | OL | Yes |
| WHOFRE | HT | No |
| WHOGER | HT | No |
| WHOPOR | HT | No |
| WHOSPA | HT | No |
| WHOFRE | PT | No |
| WHOGER | PT | No |
| WHOPOR | PT | No |
| WHOSPA | PT | No |
| WHOFRE | IT | No |
| WHOGER | IT | No |
| WHOPOR | IT | No |
| WHOSPA | IT | No |
| MDRSPA | OS | No |
| MDRSPA | MTH_OS | No |
| MDRDUT | OS | No |
| MDRFRE | OS | No |
| MDRGER | OS | No |
| MDRITA | OS | No |
| MDRJPN | OS | No |
| MDRJPN | OSJKN | No |
| MDRJPN | OSJKN1 | No |
| MDRPOR | OS | No |
| WHOFRE | OS | No |
| WHOGER | OS | No |
| WHOPOR | OS | No |
| WHOSPA | OS | No |
| CPTSP | PT | No |
| DMDUMD | PT | No |
| DMDUMD | ET | No |
| DMDUMD | RT | No |
| DMDICD10 | PT | No |
| DMDICD10 | HT | No |
| ICPCBAQ | PT | No |
| ICPCDAN | PT | No |
| ICPC2EDUT | PT | No |
| ICD10DUT | PT | No |
| ICD10DUT | HT | No |
| ICPC2ICD10DUT | PT | No |
| ICPCDUT | PT | No |
| ICPCFIN | PT | No |
| ICPCFRE | PT | No |
| ICPCGER | PT | No |
| ICPCHEB | PT | No |
| ICPCHUN | PT | No |
| ICPCITA | PT | No |
| ICPCNOR | PT | No |
| ICPCPOR | PT | No |
| ICPCSPA | PT | No |
| ICPCSWE | PT | No |
| ICPCBAQ | CP | No |
| ICPCDAN | CP | No |
| ICPCDUT | CP | No |
| ICPCFIN | CP | No |
| ICPCFRE | CP | No |
| ICPCGER | CP | No |
| ICPCHEB | CP | No |
| ICPCHUN | CP | No |
| ICPCITA | CP | No |
| ICPCNOR | CP | No |
| ICPCPOR | CP | No |
| ICPCSPA | CP | No |
| ICPCSWE | CP | No |
| MTHMSTFRE | PT | No |
| MTHMSTITA | PT | No |
| SRC | RPT | No |
| SRC | RHT | No |
| SRC | RAB | No |
| SRC | RSY | No |
| SRC | VPT | No |
| SRC | VAB | No |
| SRC | VSY | No |
| SRC | SSN | No |
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Last reviewed: 01 April 2008
Last updated: 01 April 2008
First published: 20 July 2004
Metadata| Permanence level: Permanent: Stable Content
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