Charting

N/A medical abbreviation

N/A means "not applicable".

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

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What N/A means

Example

Sample form entry: "N/A."

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

Related abbreviations

  • NEGnegative
  • NKAno known allergies
  • WNLwithin normal limits
  • BMIbody mass index
  • BPblood pressure
  • DXdiagnosis

Elsewhere on Rivvi

Questions

What does N/A mean in medical terms?

N/A means "not applicable".

Where is N/A used?

N/A shows up in charting. Its category here is charting.

Is N/A on the Joint Commission Do Not Use list?

No. N/A 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); 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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