What Does NPO Mean?
EN-pee-oh
IPA: /ˌɛn.piˈoʊ/
EN
pee
oh
NPO is pronounced EN-pee-oh
What does NPO stand for?
NPO stands for 'nil per os,' the Latin phrase meaning 'nothing by mouth.
How do you pronounce NPO?
NPO is pronounced "EN-pee-oh". Syllables: en - pee - oh.
When is NPO used in medicine?
Pre-operative orders, anesthesia preparation, GI procedures, bowel rest protocols.
Word Parts & Etymology
Latinnil per osnothing by mouth
Common Misconceptions
Some say 'N-P-O' letter by letter — both are acceptable, but 'en-pee-oh' is most common in clinical speech.
Clinical Context
Pre-operative orders, anesthesia preparation, GI procedures, bowel rest protocols.
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