PTT

Test Code
PTT


Alias/See Also
PTT|PARTIAL THROMBOPLASTIN TIME|APTT


Preferred Specimen
NA CITRATE PLATELET POOR PLASMA


Minimum Volume
1


Instructions
Draw blood in a light blue-top (3.2% sodium citrate) tube. Spin down and send at least 1 mL of citrate platelet-poor plasma frozen in plastic vial. Note: If patient is on heparin, specimen must be centrifuged within 1 hour of draw.


Transport Container
LIGHT BLUE-TOP


Transport Temperature
Frozen


Setup Schedule
Monday thorugh Sunday


Reference Range
Both Genders, Age Range 0 Days - 150 Years, Normal 22-44 seconds


Performed By
LabFirst



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.