Lab

AST medical abbreviation

AST means "aspartate aminotransferase".

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

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What AST means

Example

Sample lab panel row: "AST."

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

Related abbreviations

  • ALTalanine aminotransferase
  • ALPalkaline phosphatase
  • LFTliver function test
  • GGTgamma-glutamyl transferase
  • A1Chemoglobin A1c
  • ABGarterial blood gas

Elsewhere on Rivvi

Questions

What does AST mean in medical terms?

AST means "aspartate aminotransferase".

Where is AST used?

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

Is AST on the Joint Commission Do Not Use list?

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

Source: MedlinePlus Appendix B: Some Common Abbreviations (NLM); NCI Thesaurus, including CDISC SDTM terminology (NCI EVS); NLM SPECIALIST Lexicon abbreviations file (LRABR); FDA Acronyms and 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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