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TR75 : Coagulation Factor X Chromogenic Activity Assay, Plasma

INFORMATION:

Alternate Name:
Factor X Chromogenic
Methodology:
Chromogenic
Clinical Utility:
Monitoring warfarin anticoagulant therapy, especially in patients whose plasma contains lupus anticoagulants that interfere with baseline prothrombin time/international normalized ratio and in patients receiving the drug Argatroban who are being transitioned to warfarin. This assay should not be used for monitoring heparin, or oral direct factor Xa inhibitors such as rivaroxaban (Xarelto), apixaban (Eliquis), or edoxaban (Savaysa).

ORDERING:

Test Code:
TR75-4
Turnaround Time:
3-5 DAYS
Preferred Specimen:
1 mL Aliquot Plasma-Citrated-Blue Top
Collection:
Container Qty Temp Stability
Aliquot Plasma-Citrated-Blue Top 1 STRICT Frozen 14 DAYS
Collection Instructions:
ALQC: Collect full blue-top (citrated) tube. Centrifuge Blue-top at high speed for 15 minutes. Transfer plasma into plastic transfer tube. Label with date/time collected, PLASMA and patient's name.
Specimen Comment:
Double-centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results. Reject criteria: Gross hemolysis, Gross lipemia, Gross icterus.

Billing:

CPT Codes:
85260 x 1

CPT Code Disclaimer

CPT codes provided are for informational purposes only. Accuracy of CPT presented should be validated prior to consideration for billing.
CPT coding is the sole responsibility of the billing party. Please direct any questions regarding CPT coding to the payer being billed.