Test ID: ZG378
CPT code: 84220
LOINC: 32552-2
Specimen Type: Lav (EDTA)
Frequency: 3-5 days
Instructions: 1 mL Whole Blood from Lav (EDTA), Refrigerated. Min 0.5 mL
Text: Preferred initial screening test for pyruvate kinase deficiency. Patients who have recently received transfusions have normal donor cells that may mask PK deficient erythrocytes.
Components: Z1895 Pyruvate Kinase, RBC; Z1896 PK, Low Substrate
Methodology: Enzymatic