ID

Medical Abbreviation
ID

ID is a medical abbreviation with more than one meaning — most commonly Infectious disease / Intradermal / Identification. Its meaning depends on the clinical context.

What does ID mean?

MeaningContextField
Infectious diseaseA medical specialtyInfectious disease
IntradermalRoute of injection into the skinPharmacy
IdentificationPatient IDGeneral

Why it matters

ID can mean the infectious disease specialty, the intradermal injection route, or simply identification. Context makes it clear.

Frequently asked questions

What does ID mean in a hospital?

It can mean infectious disease (the specialty), intradermal (an injection route), or identification, depending on context.

Related abbreviations

IM · SC · Abx

← Browse all abbreviations

Study reference only — not medical advice. Always consult qualified sources and supervisors for clinical decisions.