Sig code: timing

ASAP medical abbreviation

ASAP means "as soon as possible".

Each meaning matched at least two public references (3 in all for ASAP), checked October 23, 2026. The table lists them.

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What ASAP means

Example

Sample order text: "call back ASAP."

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

Related abbreviations

Elsewhere on Rivvi

Questions

What does ASAP mean in medical terms?

ASAP means "as soon as possible".

Where is ASAP used?

ASAP shows up in prescriptions and medication labels. Its category here is sig code: timing.

Is ASAP on the Joint Commission Do Not Use list?

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

Source: NLM SPECIALIST Lexicon abbreviations file (LRABR); FDA Acronyms and Abbreviations; Army Regulation 40-66, Appendix B: Authorized Medical Records Abbreviations. 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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