Lab

FS medical abbreviation

FS means "frozen section".

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

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What FS means

Example

Sample operative note: "FS sent."

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

Related abbreviations

  • BXbiopsy
  • ORoperating room
  • CAcancer; calcium; carcinoma
  • A1Chemoglobin A1c
  • ABGarterial blood gas
  • ALTalanine aminotransferase

Elsewhere on Rivvi

Questions

What does FS mean in medical terms?

FS means "frozen section".

Where is FS used?

FS shows up in lab orders and charting. Its category here is lab.

Is FS on the Joint Commission Do Not Use list?

No. FS 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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