A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

PROTIME AND PTT (PTTPT)

Message
This test code orderable for Outreach only.


Test Code
LAB2361


Alias/See Also
PTTPT


CPT Codes
85610, 85730

Includes
Includes INR


Preferred Specimen
5 mL plasma in blue top tube


Instructions
Blue-top tubes (3.2% Sodium Citrate) must be completely filled (to the 'fill-line'). If a Blue-top tube (3.2% Sodium Citrate) is the only tube being collected, it is recommended that you draw and DISCARD a minimum of 5 mL prior to collecting. Centrifuge and freeze plasma for transport.


Transport Container
Plastic screw-capped vial


Transport Temperature
Frozen


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted or grossly lipemic specimen; tube incompletely filled


Reference Range
Protime: 10.3-13.3 seconds
PTT: 25-38 seconds




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.