PROTHROMBIN TIME/ INR

Test Code
PT


CPT Codes
85610

Preferred Specimen
PLASMA


Transport Container
BLUE TUBE


Transport Temperature
RT - 24 HRS


Setup Schedule
Set Up:
Report Available:


Reference Range
PT/INR10.0-13.0
PT/INR ON COUMADIN


Clinical Significance
The prothrombin time (PT) and international normalized ratio (INR) are measures of the extrinsic pathway of coagulation. This test is also called "ProTime INR" and "PT/INR". They are used to determine the clotting tendency of blood, in the measure of warfarin dosage, liver damage, and vitamin K status.


Performing Laboratory
LMH - Hematology  x3770 or 3769



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.