PFA, Platelet Function Assay

Test Code

PFA

CPT Codes
85576, 85576

Preferred Specimen

EDTA whole blood and Sodium Citrate Whole Blood

Minimum Volume

2.7 mL Sodium Citrate (2 Tubes).
3 mL EDTA whole blood.

Instructions

Do not spin; Fill Sodium Citrate tube to fill line.

Transport Container

2 Blue Tubes
1 Lavender Tube

Transport Temperature

Room Temperature

Specimen Stability

Room Temperature: 4 hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Centrifuged specimens, Underfilled tubes, Hemolysis, Clotted specimens.

Reference Range

COLL/EPI
82 - 150 seconds
COLL/ADP
62 - 110 seconds

Performing Laboratory
Unity Point Health St. Luke's
2720 Stone Park Blvd.
Sioux City, IA 51104

Last Updated: December 8, 2022

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.