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Test Code PFA Platelet Function

Important Note

Please call STAT courier! Must be to Coag lab within 4 hours of draw. Call Coag if you have any questions at 8-1730.

 

Test cannot be performed on a specimen with platelet count less than 150,000 per uL, or hematocrit less than 35%

Clinical Indications

N/A

Additional Test Codes

Epic Order Code: Platelet Function -PFA
Sunquest Order Code: PFA
Px Order Code: LAB2430

Specimen Collection Type

Preferred: 2 Full Blue (Sodium Citrate) and 1 Lavender
(EDTA)

Minimum Collection Volume

Blue top: 2.7 mL each
Lavender: 2 mL

Reference Range

Collagen/Epinephrine: 83 – 207 sec.
Collagen/ADP: 68 – 142 sec.

Critical Value

N/A

Interpretation

Pathology reviewed.

Rejection Criteria

Clotted or Underfilled Tube

Test cannot be performed on a specimen with platelet count less
than 150,000 per uL, or hematocrit less than 35%

Specimen Availability for Add-on Testing

4 hours

Specimen Stability

4 hours

Day(s) Performed

Monday through Sunday

Performing Lab- Department

TUKHS-BH – Hematology

CPT Code

85576

LOINC Code

72257-9

Test Alias

N/A

Additional Information / Notes

Two blue (sodium citrate) and one lavender tube (EDTA) should be
collected. Test must be run within 4 hours of draw time. Specimen
must be at room temp and drawn with 21g needle or larger