Anatomy and body systems

GI medical abbreviation

GI means "gastrointestinal".

Each meaning matched at least two public references (5 in all for GI), checked October 23, 2026. The table lists them.

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Meaning	Latin origin	Where used	Checked against
gastrointestinal	None	Charting	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 Army Regulation 40-66, Appendix B: Authorized Medical Records Abbreviations

Sample referral: "GI consult."

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

What does GI mean in medical terms?

GI means "gastrointestinal".

Where is GI used?

GI shows up in charting. Its category here is anatomy and body systems.

Is GI on the Joint Commission Do Not Use list?

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