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HelpTest Code LAB318 Platelet Function Test
Intended Use
Use to determine in vivo platelet function.
Methodology
Automated Analyzer
Performing Laboratory
RCH
Specimen Requirements
Both EDTA whole blood and sodium citrate whole blood are required for this test.
Required: Whole Blood (EDTA)
Container/Tube: Lavender-top (EDTA)
tube
Specimen: 3 mL (minimum volume:
0.5 mL)
Required: Whole Blood (Citrate)
Container/Tube: Lt blue (3.2% sodium
citrate) tube
Specimen: 2 full 2.7 mL Lt Blue
(citrate) tubes
Collection Instructions: Forward promptly.
Specimen Stability
Ambient: 4 hours
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85049 - platelet count
85576 - platelet function assay