Pyruvate Kinase Assay

Label Mnemonic:	PYRK
Epic code:	LAB3941
Downtime form:	A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery

Commercial Mailout Laboratory
6240-8 RCP
356-8593

Specimen(s):

Whole Blood

Collection Medium:

Lavender top tube 3 mL (EDTA)

Minimum:

1 mL whole blood

Turn Around Time:

1-2 days upon receipt at reference laboratory

Reference Range:

4.6-11.2 U/g Hemoglobin

Comments:

Patients who have recently received transfusions have normal donor 
cells that may mask PK deficient erythrocytes.

If a recent hemolytic episode has occurred wait for at least 30 days 
for testing so that both young and old erythrocytes will be 
tested.

Methodology:

Quantitative Enzymatic

CPT Code:

84220