Hemostasis Reference Laboratory

Platelet Aggregation

• Transaction Code: 3240-01
• CPT Code (Suggested): 85576 (per agent)

PFAs

• Transaction Code: ADP, 3245-02; Epinepherine, 3245-01
• CPT Code: ADP, 85576; Epinepherine, 85576

This test is for specific hereditary and acquired platelet functional abnormalities such as rare congenital disorders (Glanzmann’s thrombasthenia, Bernard-Soulier syndrome), and can be helpful in confirming essential thrombocytosis (thrombocythemia).

• Appointment Required: Telephone the Coagulation Laboratory at 206-292-6594, Option 3, to schedule the test.
• Normal Test Values: Aggregation patterns are compared to those of concurrent normal control.
• Analytic Time: Same day as scheduled visit