Harmful or undesired physiological responses associated with exposure to a substance.

Data Element

Substance (Drug Class)

Pharmacologic category for an agent believed to cause a harmful or undesired physiologic response following exposure.

Applicable Vocabulary Standard(s)

Applicable Standards
  • SNOMED International, Systematized Nomenclature of Medicine Clinical Terms (SNOMED CT®) U.S. Edition, March 2022 Release


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