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 #

PTT

Test Code
APTT


Preferred Specimen
Sodium Citrate Light Blue Top Tube


Instructions
Gently mix by inversion 3 or 4 times to ensure adequate mixing of anticoagulant with specimen. Proper ratio of anticoagulant/blood needed.

Testing Frequency: 24/7


Transport Container
BLUE, Na Citrate


Transport Temperature


Room Temperature




Specimen Stability
Patient plasma should be tested within 4 hrs


If testing is not complete within 4 hours, the plasma must be removed
and frozen at -20
 




Methodology
Light-Scatter



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.