Veripath Test Directory

Epic Test Name PLATELET AGGREGATION HYPERACTIVE, WHOLE BLOOD
Components
Synonyms Sticky Platelet Panel
Hyperactive Platelet Studies
Description Panel includes whole blood platelet aggregation in response to various concentrations, including the lowest, of agonists of platelet aggregation which include ADP, arachidonic acid and collagen. In hyperactive platelets (sticky platelets) syndrome, exaggerated response is seen even with the lowest concentrations of the agonists.
Specimen Requirements 
Container 5 light blue (3.2% sodium citrate) and 1 purple top (EDTA) collection tube
Specimen Type Blood
Preferred Collection Volume 20mL sodium citrate and 4mL EDTA
Minimum Collection Volume 15 mL sodium citrate and 2mL EDTA
Collection Instructions When drawing specimens for coagulation testing, always draw a "pilot" tube (7-10ml plain red top tube), completely filled. This removes tissue fluid contamination. Samples should be obtained from peripheral vein whenever possible. If drawn from indwelling catheter, the line should be flushed with 15mL of saline. After irrigation, a "pilot" tube should be drawn and discarded.
Specimen Handling In-house patients, transport sample by hand at room temperature. Specimen must not be transported by automatic tube station.
Outside clients, follow collection instructions and the steps below:
1. Specimen must remain at room temperature.
2. Specimen must arrive within 1 hour after collection.
Rejection Criteria Hemolysis, contamination with heparin, centrifuged, clotted, short sample, >4 hrs old, or frozen blood.
Methodology Aggregometry
Reference Range See interpretive report.
CPT Code(s) 85576 x 13, 85396
Department Hemostasis/Coagulation
Contact Information Hemostasis Lab; 214-633-4959 Customer Service: 214-633-0400, Toll Free 1-877-887-8136
Turn Around Time1-3 days
Performed Monday and Wednesday; must be scheduled with laboratory.
Performed by Hemostasis
Link
Notes 1. Platelet count must be greater than 100,000.
2. Specimen must be accompanied by a "Platelet Aggregation Study History Form". The aggregation report will be delayed until form has been submitted.
Updated/Reviewed 07/25/2016


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