PYRUVATE KINASE

Specimen Required
Draw blood in a lavender EDTA tube. Send 3.0 mL whole blood (1.0 mL minimum) refrigerated.

Alternate Specimen
Whole blood: ACD, Heparin (sodium or lithium)

Methodology
Enzymatic

Stability
Room Temperature: Unacceptable; Refrigerated: 20 days; Frozen: Unacceptable

Reference Range
4.6-11.2 U/g of Hemoglobin

Performed
Sunday-Saturday

Turnaround Time3-5 days
Test CodePYRBA
CPT-4 Code (s)
84220
LOINC Codes
32552-2

Warde
Medical
Laboratory