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The ICD classifies diseases recorded on many types of health and vital records, including death certificates and hospital records.
Information about the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) is available at http://www.cdc.gov/nchs/about/otheract/icd9/abticd9.htm
An online version of the ICD-10 of the International Classification of Diseases, Tenth Revision (ICD-10) is available from the World Health Organization at http://www.who.int/classifications/apps/icd/icd10online/. To order the ICD-10, visit http://www.cdc.gov/nchs/about/major/dvs/icd10des.htm
Return to the topCPT codes are the code set for services provided by doctors and other healthcare services.
CPT - Fourth Edition, as contained in CPT Code/Relative Value Search is available at
https://catalog.ama-assn.org/Catalog/cpt/cpt_search.jsp?checkXwho=done
CPT Codes Mapped to CVX (Vaccines Administered) Codes are available at http://www.cdc.gov/vaccines/programs/iis/stds/cpt.htm
Return to the topThe DSM-IV-TR is provides criteria for diagnosing psychiatric diseases.
The DSM-IV-TR , published by the American Psychiatric Association, is available at http://www.psychiatryonline.com/resourceTOC.aspx?resourceID=1
Return to the topThe CDT, produced by the American Dental Association, is the official coding used by dentists.
Information about the CDT is available at http://www.ada.org/prof/resources/topics/cdt/index.asp
Return to the topDRGs are a classification system that groups patients according to diagnosis, type of treatment, age, and other relevant criteria. Under the prospective payment system, hospitals are paid a set fee for treating patients in a single DRG category, regardless of the actual cost of care for the individual. DRGs were originally developed for Medicare (Centers for Medicare and Medicaid).
DRGs are available at http://www.cms.hhs.gov/AcuteInpatientPPS/FFD/list.asp#TopOfPage
Return to the topHCUPNet contains health statistics and information on hospital inpatient and emergency department visits.
HCUPNet is produced by the U.S. Agency for Healthcare Research and Quality.
HCUPNet instructions are available at http://hcup.ahrq.gov/HCUPnet.asp.
Return to the topHCPCS is divided into two subsystems: Level I and Level II.
Level I contains the Current Procedural Terminology (CPT). Level II identifies products, supplies and services not included in the CPT codes. Examples include ambulance services, durable medical equipment, and supplies when used outside a physician's office.
The HCPCS, is available at http://www.cms.hhs.gov/MedHCPCSGenInfo/
Return to the topThe UMLS links different names and views of the same concept and identifies useful relationships between them.
Source vocabularies (including codes) and information about the UMLS is available at http://www.nlm.nih.gov/research/umls/
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http://www.nlm.nih.gov/services/medcodes
Last reviewed: 17 September 2008
Last updated: 17 September 2008
First published: 05 June 2008
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