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The terminology domains covered by SNOMED include:

  • Clinical findings, including disorders
  • Procedures, broadly defined as including all health related activities such as history taking, physical examination, testing, imaging, surgical procedures, disease-specific training and education, counseling, and so forth.
  • Observable entities which, when given a value, provide a specific finding or assertion about health related information. Examples include the names of lab tests, physical exam tests, dates of significant events, and so forth.
  • Anatomy, morphology, and other body structures
  • Chemicals and other substances of relevance to health and health care, including generic drug ingredient names, generic drug products (virtual medicinal products)
  • Generic physical devices relevant to health care, or to broad categories of injury or accident
  • Organisms relevant to health and health care of humans and animals
  • Other etiologies of disease, including external forces, harmful events, accidents, genetic abnormalities,
  • Functions and activities
  • Social contexts relevant to health, including general categories of status of employment, education, housing, care provision, family Relationships, and so forth.
  • Types of clinical records, documents, certificates and other records and record components relevant to health care.
  • Staging, scales, classifications, and other miscellaneous health information
  • Attributes and values necessary to organize and structure the terminology
Note: Non-human concepts: In versions of SNOMED CT prior to 2014, there were many strictly non-human concepts. These have now been moved to the SNOMED CT Veterinary extension ( Many codes are applicable to both human and non-human subjects, and of course these have not been moved.