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 #

Factor XII, Plasma

Message
Off campus clinics must send the patient to Cox South Outpatient Laboratory. Send order to Centralized Scheduling.


Test Code
73


CPT Codes
85280

Preferred Specimen


Container/Tube: Light blue-top (citrate) tube-
Specimen Volume: Full tube
Collection Instructions: Blood to anticoagulant ratio is critical.
Note: 1. Results may be affected by hematocrit >55%.
2. Tube should remain stoppered. 
 
 




Minimum Volume
Full tube


Transport Temperature
Refrigerate <=30 minutes 


Specimen Stability
Specimen must arrive within 30 minutes of draw.  


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed, clotted blood, or an insufficient specimen is not acceptable.


Methodology
Partial Thromboplastin Time-Based Clotting Method/ Standard Curve from Reference Plasma

Setup Schedule
Monday through Sunday


Reference Range
40-150% activity compared to normal plasma pool


Clinical Significance
Useful for evaluation of prolonged partial thromboplastin time with no history of bleeding.  


Performed By
CoxHealth



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.