Thrombin Clotting Time, Reflex

Message

Please submit a separate, frozen vial for each special coagulation assay ordered. Draw blood in a light blue-top tube containing 3. 2% sodium citrate, mix gently by inverting 3 -4 times. Centrifuge 15 minutes at 1500 g within one hour of collection. Using a plastic pipette, remove plasma, taking care to avoid WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial(s). Freeze immediately and ship on dry ice.

Test Code

LAB12350 THRBR

Alias/See Also

THRBR

CPT Codes
85670

Includes

Reflex test only@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@

Instructions

Minimum Testing Volume: 0.5 mL Plasma Transport Temperature: Frozen Stability: Ambient: N/A Refrigerated N/A : Frozen: 30 Days Causes for Rejection: Hemolysis

Report Available

3-Days

Clinical Significance

1230170378

Last Updated: May 18, 2026

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.