Glucose-6-Phosphate Dehydrogenase G6PD
Method(s) | Quantitative Enzymatic |
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Specimen Required | |
Collect | One 10 mL yellow (ACD Solution A), green (sodium or lithium heparin), lavender (EDTA) or pink (K2EDTA) top tube. |
Transport | 3 mL whole blood refrigerated. (Min: 1.5 mL) |
Remarks | Enzyme most stable in Acid Citrate Dextrose solutions (ACD). DO NOT FREEZE. |
Stability | Ambient: 8 hours; Refrigerated: 1 week; Frozen: Unacceptable |
Unacceptable Conditions | Hemolyzed or clotted specimens |
Schedule | Daily |
Billing Code | 5010032 |
CPTCode | 82955 |
Notes | Patients who have recently received transfusions have normal donor cells that may mask G-6-PD deficient erythrocytes. |
Preferred Specimen Collection Device(s) | |
Reference Interval | |
9.9 - 16.6 U/g Hb
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