Sig code: dosage form

CAP medical abbreviation

CAP has 2 common meanings: "capsule", "community-acquired pneumonia". The context of the note or order decides which one is meant.

Each meaning matched at least two public references (4 in all for CAP), checked October 23, 2026. The table lists them.

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2 meanings of CAP

Example

Sample label shorthand: "CAP" for capsule.

A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.

Related abbreviations

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  • POby mouth
  • DRdelayed release
  • URIupper respiratory infection
  • CXRchest x-ray
  • COPDchronic obstructive pulmonary disease
  • RSVrespiratory syncytial virus
  • TBtuberculosis

Elsewhere on Rivvi

Questions

What does CAP mean in medical terms?

CAP has 2 common meanings: "capsule", "community-acquired pneumonia". The context of the note or order decides which one is meant.

Where is CAP used?

CAP shows up in prescriptions and medication labels. Its category here is sig code: dosage form.

Is CAP on the Joint Commission Do Not Use list?

No. CAP is not on the Joint Commission Do Not Use list or the ISMP error-prone list as checked on October 23, 2026.

Source: NCI Thesaurus, including CDISC SDTM terminology (NCI EVS); NLM SPECIALIST Lexicon abbreviations file (LRABR); HL7 Terminology (GTSAbbreviation, TimingEvent, RouteOfAdministration, orderableDrugForm); CMS Acronyms. Data as of October 23, 2026. Last updated October 23, 2026. How we source data. Spotted an error? Send a correction.

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