Partial Thromboplastin Times

As of 3/1/2010, the Hematology Laboratory will begin calling Partial Thromboplastin times (PTTs) greater than 87 seconds to the inpatient areas. We will not change our practice of calling PTTs greater than 50 seconds to the primary care provider on outpatients.

Questions to Nancy Rosenthal, MD, Director of Hematopathology (4-8751).