Preferred initial screening test for G6PD deficiency. For genetic testing, refer to Glucose-6-Phosphate Dehydrogenase (G6PD) 2 Mutations (0051684) for individuals of African descent or Glucose-6-Phosphate Dehydrogenase Deficiency (G6PD) Sequencing (2007163) for individuals with other high-risk ethnic backgrounds.
Yellow (ACD Solution A). Also acceptable: Green (Sodium or Lithium Heparin), Lavender (K2EDTA or K3EDTA), or Pink (K2EDTA). Enzyme most stable in acid citrate dextrose (ACD).
Do not freeze. Transport 3 mL whole blood. (Min: 1.5 mL)
Clotted or hemolyzed specimens.
Ambient: 8 hours; Refrigerated: 1 week; Frozen: Unacceptable
Effective November 17, 2014
9.9-16.6 U/g Hb
Patients who have recently received transfusions have normal donor cells that may mask G-6-PD deficient erythrocytes.
|Component Test Code*||Component Chart Name||LOINC|
- G6PD Erythrocytes
- RBC G6PD test