LOINC Code 73696-7: Oxygen saturation.preductal-oxygen saturation.postductal [Mass fraction difference] in Bld.preductal and Bld.postductal

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.preductal-oxygen saturation.postductal. It is commonly used with the system or sample type Bld.preductal+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
• Order vs observation: Observation

What it does not mean

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

Key facts

• Oxygen saturation.preductal-oxygen saturation.postductal [Mass fraction difference] in Bld.preductal and Bld.postductal
• Oxygen saturation.preductal-oxygen saturation.postductal
• This term represents the quantitative difference between the preductal and postductal oxygen saturation measurements and is used in conjunction with the two measurements to determine the end result of the screening event, such as for critical congenital heart defects (CCHD) in newborns.
• Bld Postductal; Bld Preductal; Bld.foot; Bld.pre+post; Bld.right hand; BldA.foot; BldA.right hand; Blood; Cardio; Cardiology; CARDIO-PULM; Heart Disease; Lung; O2; Point in time; Postductal blood; Preductal blood; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; SaO2; SaO2%.pre-post; SAT; Satn; SO2; 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