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FAQ: Medical Codes



Question: Where can I find medical codes, such as the ICD, CPT, or HCUP?


You can find medical codes in the:


CDT: Code on Dental Procedures and Nomenclature by the American Dental Association

The CDT is the official coding used by dentists.

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Classification of Death and Injury Resulting from Terrorism by the National Center for Health Statistics (NCHS), U.S. Centers for Disease Control & Prevention

These codes identify deaths from terrorism as reported on death certificates. Health care providers use the Classification to report terrorism-related injuries and illnesses on medical records for statistics and reimbursement.

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CPT®: Current Procedural Terminology by the American Medical Association

CPT codes describe services performed by health care providers. CPT Codes Mapped to CVX (Vaccines Administered) Codes are also available.

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DRGs: Diagnosis-Related Groups by the U.S. Centers for Medicare & Medicaid

DRGs group patients by diagnosis, type of treatment, age and other factors. Hospitals are paid a set fee for treating patients in a single DRG category.

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DSM: Diagnostic and Statistical Manual of Mental Disorders by the American Psychiatric Association

Psychiatrists and other mental health providers use the DSM-5 criteria for diagnosing psychiatric diseases.

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HCPCS: Healthcare Common Procedure Coding System by the U.S. Centers for Medicare & Medicaid

The HCPCS is divided into two levels. Level I is the CPT: Current Procedural Terminology. Level II identifies products, supplies and services not in Level I, such as ambulance services.

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HL7: Health Level Seven by Health Level Seven International

HL7 provides clinical and administrative data standards to allow healthcare computer systems to communicate with each other, using like concepts bound to codes.

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HCUPNet: Healthcare Cost and Utilization Project by the U.S. Agency for Healthcare Research and Quality

HCUPNet has health statistics and information on hospital inpatient and emergency department visits, searchable by ICD-9-CM or DRG codes.

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ICD: International Classification of Diseases, by the U.S. Centers for Disease Control & Prevention and the World Health Organization

The ICD is used to classify diseases on many types of records, including death certificates and hospital records. All versions of ICD-9 and ICD-10 are at the CDC Web site. An online version of the ICD-10 is also available from the World Health Organization.

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ICF: International Classification of Functioning, Disability and Health by the published by the U.S. Centers for Disease Control & Prevention and the World Health Organization

The ICF classifies the consequences of disease. A searchable version of the ICF is available.

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LOINC®: Logical Observation Identifier Names and Codes Terminology by the Regenstrief Institute, Inc.

LOINC provides formal names and standardized codes for laboratory and other clinical observations.

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Newborn Screening Coding and Terminology Guide by the U.S. National Library of Medicine®

This code promotes the use of electronic health data standards to record and transmit newborn screening test results.

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RxNorm by the U.S. National Library of Medicine

RxNorm provides standard names for clinical drugs. RxNorm also links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software.

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SNOMED CT®: Systematized Nomenclature of Medicine-Clinical Terms by IHTSDO: International Health Terminology Standards Development Organisation (originally developed by the College of American Pathologists)

SNOMED CT is a comprehensive clinical terminology. A subset, SNOMED CT Core Subset, is also available. The Core Subset is useful for documentation and coding of clinical information at a summary level.

IHTSDO also provides a list of free service online SNOMED CT® Browsers including the National Library of Medicine's SNOMED CT® Browser.

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UMLS®:Unified Medical Language System® by the U.S. National Library of Medicine

The UMLS links different names and views of the same concept and identifies relationships between them. The UMLS Metathesaurus has more than 150 terminologies, vocabularies, and code sets, including SNOMED CT, LOINC, MeSH®, and RxNorm.

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