LOINC Code 59418-4: Oxygen saturation in Blood Postductal by Pulse oximetry

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Oxygen saturation. It is commonly used with the system or sample type Bld.postductal.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Method: Pulse oximetry

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Oxygen saturation in Blood Postductal by Pulse oximetry
• Oxygen saturation
• Bld Postductal; Bld.foot; BldA.foot; Blood; Lung; Mass Fraction; O2; Percent; Point in time; Postductal blood; PULMONARY; Pulmonology; PulseOx; QNT; Quan; Quant; Quantitative; Random; Respiratory; SaO2; SAT; Satn; SO2; SpO2; tO2; WB; Whole blood

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions