Unit of measure

GM medical abbreviation

GM means "gram".

Each meaning matched at least two public references (2 in all for GM), checked October 23, 2026. The table lists them.

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What GM means

Also written: gm.

Example

Sample label shorthand: "gm."

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

Related abbreviations

  • Ggram
  • MGmilligram; myasthenia gravis; magnesium
  • KGkilogram
  • MCGmicrogram
  • GRgrain
  • IUinternational unit

Elsewhere on Rivvi

Questions

What does GM mean in medical terms?

GM means "gram".

Where is GM used?

GM shows up in prescriptions and charting. Its category here is unit of measure.

Is GM on the Joint Commission Do Not Use list?

No. GM 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); 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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