LOINC Code 74542-2: Pyruvate kinase/Glucose-6-Phosphate dehydrogenase (RBC) [Catalytic 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 Pyruvate kinase/Glucose-6-Phosphate dehydrogenase. It is commonly used with the system or sample type RBC.

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

• Pyruvate kinase/Glucose-6-Phosphate dehydrogenase [Enzymatic activity ratio] in Red Blood Cells
• Pyruvate kinase/Glucose-6-Phosphate dehydrogenase
• Catalytic Concentration Ratio; Catalytic Ratio; CCrto; Chemistry; Dehydrog; Dehyrdogenase; Enzymatic activity ratio; Erythrocytes; G6PD; G-6-PD; G6PDH; Glu; Gluc; Glucose-6-PD; Glucose-6-PDH; Glucoseur; GPD; i Phos; Inorganic phosphate; Phos; Phosphate total; Phosphorous; Phosphorus; Phosphrous; Pi; PK; PO4; Point in time; Pyruvic acid; QNT; Quan; Quant; Quantitative; Random; Red blood cells; Red blood corpusles

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