LOINC Code 101179-0: Immunoglobulin light chains.free (24H U) [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 Immunoglobulin light chains.free/Protein.total. It is commonly used with the system or sample type Urine.

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: Both

What it does not mean

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

Key facts

• Immunoglobulin light chains.free/Protein.total in 24 hour Urine
• Immunoglobulin light chains.free/Protein.total
• 1 day; 24 hours; 24HR; Bence Jones protein; BJ Protein; BJ Protein Free; BJP; Chain; Chemistry; FLC; FR; Immune globulin; Immuno; Immunoglob; Immunoglobin; Imunoglbon; Imunoglobn; Mass fraction; Non-protein bound; Percent; PR; Prot; QNT; Quan; Quant; Quantitative; Tot; Totl; TP; UA; UR; Urn

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