- Transaction Code: 3200-01
- CPT Code (Suggested): 85002
The duration of bleeding from a standard skin incision is determined while maintaining constant increased venous pressure. The bleeding time measures the overall hemostatic role of platelets. The most common causes of a prolonged bleeding time are von Willebrand disease and an acquired platelet functional abnormality (e.g., medications such as aspirin). A low platelet count (<100,000/µl) will prolong the bleeding time independent of any platelet function defect.
- Visit Required: Telephone the Coagulation Laboratory at 206-292-6594 to schedule a time for the patient to visit the Blood Center.
- Normal Range: 3-8 min
- Analytic Time: During scheduled visits
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