Davis's Lab & Diagnostic Tests

Glucose-6-Phosphate Dehydrogenase

Glucose-6-Phosphate Dehydrogenase is a topic covered in the Davis's Lab & Diagnostic Tests.

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Common Use:
To identify an enzyme deficiency that can result in hemolytic anemia.

Whole blood collected in a lavender-top (EDTA) tube.

Normal Findings:
(Method: Fluorescent) Qualitative assay—enzyme activity detected; quantitative assay—the following table reflects enzyme activity in units per gram of hemoglobin:

AgeConventional UnitsSI Units (Conventional Units × 0.0645)
Newborn7.8–14.4 international units/g hemoglobin0.5–0.93 micro units/mol hemoglobin
Adult–older adult5.5–9.3 international units/g hemoglobin0.35–0.6 micro units/mol hemoglobin

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