ARUP's Laboratory Test Directory

Pyruvate Kinase : 0080290

Mnemonic: PK

Methodology: Quantitative Enzymatic
Performed: Sun-Sat
Reported: 1-2 days
Specimen Required: Collect: Lavender (EDTA) or pink (K2EDTA). Also acceptable: Green (sodium heparin) or yellow (ACD Solution A or B).

Specimen Preparation: Do not freeze. Transport 1 mL whole blood.

Storage/Transport Temperature: Refrigerated.

Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 20 days; Frozen: Unacceptable
Reference Interval:
9.0-22.0 U/g Hb
Note: Patients who have recently received transfusions have normal donor cells that may mask PK deficient erythrocytes.
CPT Code(s): 84220