Pyruvate Kinase, Erythrocytes [38953X]

Test Code
6681

CPT Codes
84220

Preferred Specimen
4 mL whole blood collected in an acid citrate dextrose ACD-B solution (yellow-top) tube

Minimum Volume
1 mL

Other Acceptable Specimens
Whole blood collected in EDTA (lavender-top) tube

Instructions
Specimen cannot be frozen. Do not transfer blood to other containers.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: Unacceptable
Refrigerated: 20 days
Frozen: Unacceptable

Methodology
Kinetic Spectrophometry (SP)

Setup Schedule
Set up: Mon-Sat a.m.; Report available: 3 days

Reference Range
See Laboratory Report

Performing Laboratory
Mayo Medical Laboratories
200 First Street SW
Rochester, MN 55905



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.