Partial Thromboplastn Time Mixing Study

Test Code

Preferred Specimen
Light Blue Top sodium citrate plasma

"The ratio of blood to anticoagulant is critical. Blue top must be completely full to fill line for a 9:1 ratio.
Testing Frequency: 24/7"

Transport Container
BLUE, Na Citrate

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: 24 hours


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.