Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
RESULT
Test Name : Ristocetin-Induced Platelet Aggregation Order Code : RIPA
Note: Test performed by Special Coagulation Lab
Synonyms: RIPA
Container Type: Unspun Light-blue-top tube (Sodium citrate)
Required Volume: 3 full blue tubes (4.5 mL blood each)
Minimum Volume (Pediatric): N/A
Methodology: Aggregation
Standard Run Times: By appointment only. Patient can only be drawn Monday through Friday before 2pm. Please call Special Coagulation lab at 650 723 4813 for "Before Collection" instructions.
Turnaround Time: Day of run
Special Handling: Specimen transport in an upright position, not lying down. If inpatient, hand carry to the lab, do not use pneumatic tube.
CPT Codes: 85576
LPCH EPIC Code: LAB3140
SHC EPIC Code: LABRIPA
Causes For Rejection: Clotted, gross hemolysis, improperly filled tube, received thawed.
Department: Coagulation