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PYKI / PK-M
PYRUVATE KINASE, ERYTHROCYTES

Test Code PYKI / PK-M 
Test PYRUVATE KINASE, ERYTHROCYTES 
Methodology Kinetic Spectrophotometry (KS) 
Description Useful for the workup of cases of nonspherocytic hemolytic anemia, for a family workup to determine inheritance pattern (pyruvate kinase deficiency is autosomal recessive), and for genetic counseling. 
Specimen Draw blood in a yellow-top (ACD [solution B]) tube, and send 4.0 mL (minimum: 1.0 mL) of ACD (solution B) whole blood refrigerated. SPECIMEN CANNOT BE FROZEN. Do not transfer blood to other containers. 
Reference Values 6.7-14.3 U/g hemoglobin 
Analytic Time 1 Day 
Day(s) Test Set Up Monday through Saturday 
CPT Code(s) 84220