Thrombin Time (TCT,Thrombin Clotting Time)

Test Code
THROM


Preferred Specimen
0.5 mL 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
Refrigerated


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: Patient plasma should be tested within 4 hrs


Methodology
Light-Scatter

Reference Range
"M Up to 0 Days 13.7 - 18.5 sec
M Up to 999 Years 13.7 - 18.5 sec
F Up to 0 Days 13.7 - 18.5 sec
F Up to 999 Years 13.7 - 18.5 sec"




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.