LOINC Code 19953-9: Fractional oxyhemoglobin in Blood Preductal

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 Oxyhemoglobin/Hemoglobin.total. It is commonly used with the system or sample type Bld.preductal.

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

What it does not mean

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

Key facts

• Fractional oxyhemoglobin in Blood Preductal
• Oxyhemoglobin/Hemoglobin.total
• To assess presence of patent ductus arteriosus and potential Right to Left shunt. The electrode is place on the upper right chest to monitor preductal blood.
• Bld Preductal; Bld.right hand; BldA.right hand; Blood; FO2Hb; Fractional hemoglobin; Haemoglobin; Haemoglobin oxygenated; Hb; HbO2; Hemoglobin oxygenated; Hgb; Lung; Mass Fraction; O2 saturation; O2Hb; Oxygen saturation; Oxygenated haemoglobin; Oxygenated hemoglobin; Oxyhaemoglobin; OxyHgb; OxyHgb %; Percent; Point in time; Preductal blood; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; SO2; Tot; Totl; 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