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 #

MIXING STUDIES

Message
Patient must come to Augusta Health Main Lab in Fishersville, VA for specimen collection.


Test Code
MIX


Preferred Specimen
LIGHT BLUE


Minimum Volume
Tube must be full


Specimen Stability
4 hours for PTT, 24 hours for PT


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis, short draw tubes, clotted specimens.  Ultracentrifuge grossly lipemic samples.


Clinical Significance
A mixing study is the first step in determining the cause of an abnormally prolonged clot-based coagulation assay result for PT or PTT.  It is designed to determine whether the prolongation is due to a coagulation factor deficiency or an inhibitor of coagulation. 




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.