Coagulation Reference Range Change
Changes effective 5/21/2024 after 10am:
Prothrombin time reference range: 10.2-12.0 seconds (currently: 9.9-11.6 seconds)
INR 0.9-1.1 (no change)
APTT reference range: 24.2-33.0 seconds (no change).
The unfractionated heparin therapeutic range remains unchanged.
Questions: contact Dr. Grace Xie at 266-1640, or Leslie Chaparro at 266-6085.