Protime/PTT Panel

Message
Indicate if patient is on anticoagulants.


Test Code
LAB4012


Preferred Specimen
Completely fill a Light blue (Sodiumcitrate)


Instructions
Mix sample immediately by gently inverting at least 6 times


Transport Temperature
If transport time will exceed 4 hours, send platelet-poor plasma frozen to -20C or less


Specimen Stability
Whole blood: Ambient:;4 hours, Refrigerated: Unacceptable, Frozen: Unacceptable
After;separation;from cells: ;Ambient: 4 hours, Refrigerated: 4 hours, Frozen:;2 week;


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Improperly filled tubes, clotted, or hemolyzed 


Methodology
Stago Compact



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.