LOINC Code 77184-0: Niobium/Creatinine (U) [Molar ratio]

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 Niobium/Creatinine. 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

• Niobium/Creatinine [Molar ratio] in Urine
• Niobium/Creatinine
• Testing is done as an assessment of toxic metal retention to address public health concerns of niobium leaching into drinking water. Variability in urine volume can drastically affect the concentration of elements and to compensate for urine dilution variation, elements are sometimes expressed per unit creatinine.
• Columbium; CR; Crea; Creat; DRUG/TOXICOLOGY; Drugs; Nb; Point in time; QNT; Quan; Quant; Quantitative; Random; Scrto; Substance concentration ratio; Substance ratio; UA; UCr; 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