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What Does HAI Mean in Medical Terms?
HAI stands for healthcare-associated infection. Infection acquired during medical care.
healthcare-associated infection
Infection acquired during medical care.
Where you will see HAI
You will most often see HAI in medical charts and clinical notes, microbiology results and infection-control notes, nursing notes, care plans and handovers.
Example
A chart note might use “HAI” as shorthand for healthcare-associated infection when documenting a patient's care.
Related abbreviations
- 14-3-3 — 14-3-3 protein (CSF)
- 1:1 — one-to-one observation
- 2g Na diet — two-gram sodium diet
- 3 Cs measles — three Cs of measles (cough coryza conjunctivitis)
- 4-point restraints — four-point restraints
- A&O — alert and oriented
- A&O x4 — alert and oriented times four (person place time situation)
- A-line — A-line (arterial line shorthand)
Browse the full Medical Abbreviations guide — 5,715 entries, searchable A–Z and by specialty.
Educational reference only. This guide is for learning and quick reference. Abbreviations vary between hospitals, countries and specialties, and some are discouraged because they can be misread. Always write and interpret orders using your own institution’s approved abbreviation list, and check anything unclear with the prescriber or your local policy.