Platelet Aggregation Studies, Platelets

Platelet Aggregation Studies

Order Code:	PLTAGG
Order Form:	Laboratory Requisition

Specimen:

Platelets

Minimum:

15 mL blood with platelet count >150,000/mm3 in order to recover a platelet rich plasma with a platelet count 250,000.

Testing Schedule:

To be scheduled and drawn by the Hemostasis/Thrombosis technologist only. Please call 356-3573 to schedule. Scheduled: 8 AM - Noon.

Analytic Time:

8 hours (upon receipt in laboratory)

Reference Range:

Collagen Aggregation 75-93% Collagen ATP Release 0.84-2.85 Epinephrine Aggregation 67-88% Epinephrine ATP Release 0.19-2.63 ADP Aggregation 67-97& ADP ATP Release 0.00-2.15 Arachidonate Aggregation 82-94% Arachidonate ATP Release 0.00-1.27 Ristocetin Aggregation 73-104%

Comments:

Aspirin taken within the last seven days may invalidate results.

Methodology:

Optical density changes and chemiluminescence.

Instructions:

Contact UIDL Client Services: 1-866-844-2522

CPT Code:

Epinephrine CPT Code: 85576 ADP CPT Code: 85576 Collagen CPT Code: 85576 Arachidonate CPT Code: 85576 Ristocetin CPT Code: 85576 Pathologist interpretation: CPT Code: 85576 -26