Posted Date
Effective Date
Update Type Reference range changed
CPT Code 85730
Order Code PTT



PTT (Activated Partial Thromboplastin Time)

Order Code:                  PTT

Fee Code:                     31106 (CPT 85730)


Effective December 20, 2023, MLabs Coagulation Laboratory will be changing the Actin FSL reagent lot for the PTT assay resulting in an update to the reference range from 21-30 seconds to 22-31 seconds.