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To identify an enzyme deficiency that can result in hemolytic anemia.
Whole blood collected in a lavender-top (EDTA) tube.
(Method: Fluorescent) Qualitative assay—enzyme activity detected; quantitative assay—the following table reflects enzyme activity in units per gram of hemoglobin:
|Age||Conventional Units||SI Units (Conventional Units × 0.0645)|
|Newborn||7.8–14.4 international units/g hemoglobin||0.5–0.93 micro units/mol hemoglobin|
|Adult–older adult||5.5–9.3 international units/g hemoglobin||0.35–0.6 micro units/mol hemoglobin|