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Ristocetin Induced Platelet Aggregation : 1000810
MessageThe laboratory must be called to schedule testing before the sample is drawn. Time sensitive. Arrange for stat courier delivery to the laboratory. Special collection tubes are required.
Test Code
RIPA or 1000810
Alias/See Also
RIPA Type 2B von Willebrand; RAT; Ristocetin Affinity Titration
CPT Codes
85576
Includes
Includes testing with varying concentrations of ristocetin depending on patient's platelet response.
Instructions
Two special plastic screw top tubes obtained from the laboratory (Available from Client Services supply #13729). NOTE: Local draws only - the sample must be tested within 2 hours of draw. The laboratory must be called to schedule testing before the sample is drawn. Deliver to laboratory ASAP.
Transport Container
Whole blood special plastic screw top tube (Min. 9 mL): do not centrifuge and keep ambient.
Transport Temperature
Ambient.
Specimen Stability
Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: Unacceptable
Methodology
Aggregation
Setup Schedule
Monday - Friday
Report Available
1 day
Reference Range
>0.6 mg/mL
Performing Laboratory
med fusion
