Laboratory Medicine
Test Directory / Ristocetin Induced Platelet Aggregation
Ristocetin Induced Platelet Aggregation
Citrated Plasma
| Test | Ristocetin Induced Platelet Aggregation |
|---|---|
| Common Abbreviations | RIPA |
| Profile | |
| Clinical Indication | Ristocetin induced aggregation is a platelet funtion test that is used to screen for and sub-type Von Willebrands disease. Only performed after initial investigations of vWD |
| Specimen Type | Blood |
| Sample Type | Citrated Plasma |
| Minimum Volume | 1 x 3mL (adult) 1 x 1mL (paed) |
| Special Precautions | Please discuss with Consultant Haematologists in the first instance. Must be prearranged with Haemophilia Nurse prior to appointment and samples taken. Hand delivery to the Coagulation Lab before 10am |
| Stability | 4 hrs (unspun) |
| Turnaround Time | 2-3 days |
| Laboratory | SLM Haematology Laboratory Leeds St James University Hospital |
| Reference Interval | Issued with final report |
| Limitations | Samples must not be sent by air tube. Samples must be processed within 6 hours of collection |
| Additional Information |
