Download Printable VersionTable of Standard Terminologies

Current Procedural Terminology CPT® Medical service and procedure codes commonly used in public and private health insurance plans and claims processing. American Medical Association
International Classification of Diseases ICD, ICD-O ICECI, ICF, ICPC International standard for classifying diseases and other health problems recorded on health and vital records. ICD-9-CM, a modified version of the ICD-9 standard, is used for billing and claims data in the United States, which will transition to ICD-10-CM is 2013. The ICD is also used to code and classify mortality data from death certificates in the United States. ICD adaptations include ICD-O (oncology), ICECI (External Causes of Injury), ICF (Functioning, Disability and Health), and ICPC-2 (Primary Care, Second Edition). World Health Organization
Systemized Nomenclature of Medicine SNOMED CT Clinical health care terminology that maps clinical concepts with standard descriptive terms. Formerly SNOMED RT and SNOP. International Health Terminology Standards Development Organization
Unified Medical Language System UMLS Database of 100 medical terminologies with concept mapping tools. National Library of Medicine
Classification of Interventions & Procedures OPCS-4 Code for operations, surgical procedures and interventions. Mandatory for use in National Health Service (England).  
Diagnostic and Statistical Manual DSM The standard classification of mental disorders used in the United States by a wide range of health and mental health professionals. Currently used is DSM-IV. American Psychiatric Association
Medical Dictionary for Regulatory Activities MedDRA Terminology covering all phases of drug development excluding animal toxicology. Also covers health effects and malfunctions of devices. Replaced COSTART (Coding Symbols for a Thesaurus of Adverse Reaction Terms). International Conference on Harmonization (ICH)
VA National Drug File Reference Terminology NDF-RT Extension of the VA National Drug File; used for modeling drug characteristics, including ingredients, chemical structure, dose form, physiologic effect, mechanism of action, pharmacokinetics, and related diseases. U.S. Food and Drug Administration
RxNorm RxNorm Standardized nomenclature for clinical drugs. The name of a drug combines its ingredients, strengths, and/or form. Links to many of the drug vocabularies commonly used in pharmacy management and drug interaction software. National Library of Medicine
World Health Organization Drug Dictionary WHODRUG International drug dictionary. World Health Organization
Logical Observation Identifiers Names and Codes LOINC® Concept-based terminology for lab orders and results. Regenstrief Institute for Health Care
HUGO Gene Nomenclature Committee HGNC Recognized standard for human gene nomenclature. Human Genome Organization
Dietary Reference Intakes DRIs Nutrient reference values developed by the Institute of Medicine to provide the scientific basis for the development of food guidelines in Canada and the United States. Institute of Medicine Food and Nutrition Board
Quality Measurement
U.S. Department of Health and Human Services Measure Inventory HHS NQMC The U.S. Department of Health & Human Services (HHS) is committed to providing the public an inventory of the measures that are currently being used by the Divisions in HHS for quality measurement, improvement, and reporting. The Department's goal is to further advance collaboration among members of the quality community and to advance the effective use and harmonization of quality of care measures. The Department's transparency about the quality measures being used lays the foundation for the measurement enterprise and local users to build and improve upon. The HHS Measure Inventory is only accessible through the National Quality Measures Clearinghouse™ (NQMC) Web site. U.S. Department of Health and Human Services (HHS)