Update Type: Test Resumed
Test Updated: 08/03/2022
Test Overview
Test Methodology

PTSC, APTSC, DRV1, TTSC, APCRV: Optical Clot-Based; CLFIB: Clauss; DIMER, PSF: Latex ; Immunoassay (LIA); ATTF, CFX: Chromogenic Assay; PTNT: Direct Mutation Analysis

Reference Range *

Interpretive report provided

Test Limitations

Patient should not be receiving coumadin (warfarin), heparin, direct thrombin inhibitors (argatroban, dabigatran) or direct factor Xa inhibitors (apixaban, rivaroxaban, and edoxaban).

Test Details
Days Set Up
Monday - Friday
Analytic Time

6 - 8 days

Soft Order Code
AATHR
Laboratory
Sendout
Reference Laboratory
Mayo AATHR
Section
Special Testing
Specimen Requirements
Collection

Collect whole blood in EDTA lavender top tube or ACD tube. Send to Specimen Processing at room temperature.
Plasma: Must be collected before factor replacement therapy. Centrifuge blue top tubes and aliquot plasma (1 mL each) into an aliquot tube. Centrifuge again, aliquotting into 5 tubes of 1 mL plasma each. Freeze plasma immediately.

Special Handling

Both whole blood and plasma are required

Alternate Specimen
ACD tube is acceptable in place of EDTA tube
Normal Volume
3 mL whole blood AND 5 mL (1 mL in each of 5 aliquot tubes) of platelet poor double spun plasma
Minimum Volume
1 mL whole blood AND 5 mL (1 mL in each of 5 aliquot tubes) of platelet poor double spun plasma
Storage Temperature
Whole blood= ambient; Double spun plasma= strict frozen
Additional Information

Test performed by Mayo Clinic Laboratories

Billing
CPT Code
81240, 85300, 85303, 85306, 85307, 85379, 85384, 85390, 85610, 85613, 85670, 85730
NY State Approved
No