LOINC Code 71880-9: Methemoglobin (BldMV) [Pure mass fraction]

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 Methemoglobin/Hemoglobin.total. It is commonly used with the system or sample type BldMV.

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

• Methemoglobin/Hemoglobin.total [Pure mass fraction] in Mixed venous blood
• Methemoglobin/Hemoglobin.total
• Because of the confusion that occurs in countries that report results as both decimal fraction and percent, this property was created to represent decimal fractions that are reported without units.
• Bld mixed venous; Blood - mixed venous; Chemistry; Haemoglobin; Hb; Hemiglobin; Hgb; Hi; Methaemoglobin; MetHb; Methgb; Point in time; QNT; Quan; Quant; Quantitative; Random; Tot; Totl

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