RxNorm
RxNorm is a name of a US-specific terminology in medicine that contains all medications available on US market.It can also be used in personal health records applications. It is part of UMLS terminolo...
SNOMED CT
SNOMED CT or SNOMED Clinical Terms is a systematically organized computer processable collection of medical terms providing codes, terms, synonyms and definitions used in clinical documentation and r...
SNOMED CT - Wikipedia
Radiographic supporting bone index
The radiographic supporting bone index (RSBI) is a clinical index that allows dentists to measure facial alveolar bone in the horizontal or axial plane. It enables orthodontists and dentists placing d...
British Pediatric Association Classification of Diseases
The British Pediatric Association Classification of Diseases is a system of diagnostic codes used for pediatrics.An extension to ICD-9 was published in 1979.An extension to ICD-10 has also been publis...
British Pediatric Association Classification of Diseases - Wikipedia
NANDA
NANDA International (formerly the North American Nursing Diagnosis Association) is a professional organization of nurses standardized nursing terminology that was officially founded in 1982 and develo...
Canadian Classification of Health Interventions
The Canadian Classification of Health Interventions is a system of procedure codes used in Canada.
NOMESCO
NOMESCO (Nordic Medico-Statistical Committee) is a statistical committee under the Nordic Council of Ministers. The Nordic Medico-Statistical Committee (NOMESCO) was set up in 1966, following a recomm...
Omaha System
The Omaha System is a standardized health care terminology consisting of an assessment component (Problem Classification Scheme), an intervention component (Intervention Scheme), and an outcomes compo...
Classification Commune des Actes Médicaux
Classification Commune des Actes Médicaux is a French medical classification for clinical procedures. Starting in 2005, the CCAM serves as the reimbursement classification for clinicians. The CCAM was...
NCI Metathesaurus
The NCI Metathesaurus is product of the US National Cancer Institute's Enterprise Vocabulary Service, a collaborative effort of the NCI Center for Bioinformatics and the NCI Office of Communications....
Medical classification
Medical classification, or medical coding, is the process of transforming descriptions of medical diagnoses and procedures into universal medical code numbers. The diagnoses and procedures are usually...
List of MeSH codes
The following is a list of the codes for MeSH (Medical Subject Headings), a comprehensive controlled vocabulary for the purpose of indexing journal articles and books in the life sciences; it can also...
Major Diagnostic Category
The Major Diagnostic Categories (MDC) are formed by dividing all possible principal diagnoses (from ICD-9-CM) into 25 mutually exclusive diagnosis areas. MDC codes, like diagnosis-related group (DRG) ...
Unified Medical Language System
The Unified Medical Language System (UMLS) is a compendium of many controlled vocabularies in the biomedical sciences (created 1986). It provides a mapping structure among these vocabularies and thus ...
Procedure code
Procedure codes are numbers or alphanumeric codes used to identify specific health interventions taken by medical professionals.
Communication Function Classification System

The Communication Function Classification System (CFCS) for individuals with cerebral palsy (CP) is a five-level classification system which began development at Michigan State University and cu...
Nursing Outcomes Classification
The Nursing Outcomes Classification (NOC) is a classification system which describes patient outcomes sensitive to nursing intervention. The NOC is a system to evaluate the effects of nursing care as ...
The Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Chil...
The Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Childhood-Revised (DC: 0-3R) is a developmentally based diagnostic manual that provides clinical criteri...
Self-diagnosis
Self-diagnosis is the process of diagnosing, or identifying, medical conditions in oneself. It may be assisted by medical dictionaries, books, resources on the Internet, past personal experiences, or...
ICD-9-CM Volume 3
ICD-9-CM Volume 3 is a system of procedural codes. It is a subset of the International Statistical Classification of Diseases and Related Health Problems (ICD) 9-CM.Volumes 1 and 2 are used for diagno...
TIME-ITEM
TIME-ITEM is an ontology of Topics that describes the content of undergraduate medical education. TIME is an acronym for "Topics for Indexing Medical Education"; ITEM is an acronym for "Index de thèm...
OPS-301
The Operationen- und Prozedurenschlüssel (OPS) (in 2008, and 2005: OPS-301) is the German modification of the ICPM and now the official classification of operational procedures for power control, the ...
ICD-9 V codes
The following is a detailed list of V codes, found in the International Statistical Classification of Diseases and Related Health Problems. So-called "V codes" are for supplementary classification of ...
Hinchey Classification
Hinchey Classification is used to describe perforations of the colon due to diverticulitis.Diverticulosis (the presence of bowel diverticula) is an essentially ubiquitous phenomenon. With age, all peo...
LOINC
Logical Observation Identifiers Names and Codes (LOINC) is a database and universal standard for identifying medical laboratory observations. It was developed and is maintained by the Regenstrief Ins...