Days Set Up
Tuesday, Wednesday, Thursday
Analytic Time

4 hours

MiChart Code
Soft Order Code

Test Updated:


Platelet function with EPI
Platelet function with ADP
Platelet function with epinephrine (EPI)
Platelet function with Eppy
Platelet Function Studies
Ristocetin Induced Platelet Agglutination
Ristocetin Aggregation

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Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

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Test Overview

Test Methodology

Optical turbidometric aggregation and ATP release using a Lumi-Aggregometer.

Test Usage

Evaluation of functional integrity of the platelets, aid in diagnosis of von Willebrand's disease, Glanzmann's thrombasthenia, storage pool disease, Bernard-Soulier syndrome, and platelet function abnormalities induced by metabolic abnormalities.

Reference Range

Interpretative report provided.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

Contact MLabs Client Services Center at 800-862-7284 for information regarding scheduling the test. The patient must have specimen collected at the UM Cardiovascular Center blood draw station level 3 or C.S. Mott Children's Hospital and Von Voigtlander Women's Hospital blood draw station.

Blue Top Tube
Normal Volume
4 full 2.8 ml 3.2% sodium citrate blue top Vacutainer® tubes
1 2 ml EDTA K2 lavender top Vacutainer® tube
Minimum Volume
4 full 2.8 ml 3.2% sodium citrate blue top Vacutainer® tubes
1 2 ml EDTA K2 lavender top Vacutainer® tube

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.