Test guide
Partial Pressure Arterial Oxygen to Fraction Inspired Oxygen Ratio Measurement
The determination of the ratio of the pressure of oxygen dissolved in arterial blood to the percentage oxygen of an inhaled mixture of gasses in a biological specimen.
What it is for
Source: National Cancer Institute, NCI Thesaurus 26.09d, C119293. Unmodified NCI definition, CC BY 4.0. Source identity and classification checked automatically on 2026-10-20.
Limitations
Terminology reference for a laboratory procedure. The source definition does not establish routine clinical availability, validated specimen types, reference intervals, product authorization or suitability for an individual. Consult the performing laboratory for its validated method and interpretation.
Also known as
- Partial Pressure Arterial Oxygen to Fraction Inspired Oxygen Ratio Measurement
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