Platelet Aggregation Profile : 1000693

Do not order this test if the Platelet count is <100,000 /uL. Special collection tubes are required.The laboratory must be called to schedule testing 24 hours in advance before the sample is drawn. Time sensitive. Arrange for stat courier delivery to the laboratory.

Test Code
PAP or 1000693

Alias/See Also
Platelet Aggregation

CPT Codes
85576x5, 85049

Testing includes Platelet Count and Platelet Aggregation with Ristocetin, Collagen, Arachidonic acid, ADP and Epinephrine.

Four special plastic screw top tubes obtained from the laboratory (Available from Client Services supply #13729) AND also a lavender top tube (EDTA). NOTE: Local draws only - the sample must be tested within 2 hours of draw. The laboratory must be called to schedule testing 24 hours in advance before the sample is drawn. Deliver to laboratory ASAP.

Transport Container
Whole blood special plastic screw top tubes (Min. 18 mL) and lavender top tube (Min. 2 mL): do not centrifuge either tube and keep ambient.

Transport Temperature

Specimen Stability
Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: Unacceptable


Setup Schedule
Monday - Friday

Report Available
1 day

Reference Range
An interpretive report will be provided.
10 ADP Release: Normal
10 ADP Response: Normal
5 ADP Release: Normal
5 ADP Response: Normal
Arachidonic Acid: Normal
Collagen: Normal
Epinephrine: Normal
Platelet Count: 140-440 k/┬ÁL
Ristocetin 0.6: Abnormal
Ristocetin 1.2: Normal
Spontaneous: Absent

Performing Laboratory
med fusion

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.