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

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

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
Synonyms
    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, must be within 4 hours of collection..

    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