| ABC codes V2006 |
| American Psychological Association: Thesaurus of Psychological Index terms |
| CCC System Version 2.0 |
| Clinical Classifications Software (CCS) |
| Computer-Stored Ambulatory Records (COSTAR) |
| Current Procedural Terminology (CPT) |
| Diagnoses for Intensive Care Evaluation (DICE) |
| Diagnostic and Statistical Manual of Mental Disorders (DSM) |
| Diseases Database 2000 |
| Drug Descriptor ID (DDID), |
| EN ISO/IEEE 11073-10101:Health informatics - Point-of-care medical device communication |
| Fin MeSH translation 2004 |
| Foundational Model of Anatomy (FMA) |
| German MeSH translation |
| Glossary of Methodological Terms for Clinical Epidemiologic Studies of Human Disorders |
| HUGO Gene Nomenclature |
| ICD-9-CM, LOINC version 2.16 |
| International Classification for Nursing Practice (ICNP) |
| Italian MeSH translation |
| Master Drug Data Base (Generic Product Identifier - GPI) |
| Medcin |
| Medical Entities Dictionary (MED) |
| MedlinePlus Health Topics |
| NANDA international Nursing Diagnoses 2003-2004 |
| National cancer Institute (NCI) Thesaurus |
| National Drug File - Reference Terminology |
| National Library of Medicine (NLM) |
| NeuroNames |
| Nursing Outcomes Classification |
| Omaha System |
| PDQ Terminology |
| RxNorm |
| SNOMED Clinical Terms (SNOMED CT) |
| Swedish MeSH translation |
| Thesaurus NTvG databank |
| Unified Medical Language Systems (UMLS) Metathesaurus |
| Universal Medical Device Nomenclature System (UMDNS) |
