Specimen Requirements
Collection Instructions
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.
Special Handling
<ul><li>
DO NOT DRAW PATIENT WITHOUT SPECIAL COAGULATION TECHNOLOGIST PRESENT.
DO NOT SEND THROUGH PNEUMATIC TUBE SYSTEM.
</ul>
Contraindications
Test is contraindicated in:
<ul><li>
Patients with platelet counts less than 140,000/ml.<li>Requires medical director approval.<li>
Patients taking medications known to adversely affect platelet function.<li>These drugs, including aspirin and medications containing aspirin, other NSAIDs, anti-depressants and a variety of other drugs need to be held for 10 days prior to the scheduled test.
Children under 2 years of age.
</ul>
<ul><li>
Patients with platelet counts less than 140,000/ml.<li>Requires medical director approval.<li>
Patients taking medications known to adversely affect platelet function.<li>These drugs, including aspirin and medications containing aspirin, other NSAIDs, anti-depressants and a variety of other drugs need to be held for 10 days prior to the scheduled test.
Children under 2 years of age.
</ul>
Normal Volume
<ul><li>
4 full 2.8 ml 3.2% sodium citrate blue top Vacutainer® tubes
1 2 ml EDTA K2 lavender top Vacutainer® tube
</ul>
4 full 2.8 ml 3.2% sodium citrate blue top Vacutainer® tubes
1 2 ml EDTA K2 lavender top Vacutainer® tube
</ul>
Minimum Volume
<ul><li>
4 full 2.8 ml 3.2% sodium citrate blue top Vacutainer® tubes
1 2 ml EDTA K2 lavender top Vacutainer® tube
</ul>
4 full 2.8 ml 3.2% sodium citrate blue top Vacutainer® tubes
1 2 ml EDTA K2 lavender top Vacutainer® tube
</ul>