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 #

Activated Partial Thromboplastin Time

Test Code
PTT


Alias/See Also
LAB3010067
aPTT
 


CPT Codes
85730

Preferred Specimen
Plasma collected in a blue sodium citrate tube


Minimum Volume
Tube must be filled completely


Specimen Stability
4 hours room temperature (20 - 25oC)


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens that are clotted, collected in the wrong tube, have visible gross hemolysis or have less than the expected fill.


Reference Range
Sex Age Reference Range
M/F 0 - 150 years 23.0 - 31.6 seconds


Performing Laboratory
Penn Medicine Lancaster General Health



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.