Test Directory

Test Code
APIXA
Test Name
Apixaban Level
CPT Codes
80299
Expected Turnaround Time
5 - 7 days
Clinical Utility

Measurement of drug level in order to monitor therapeutic level and/or diagnose under-dosage or potential toxicity.

Specimen and Container Info

Preferred Specimen Type: Citrated Plasma

Alternate Specimen Type: Plasma

  

Preferred Collection Container: Light Blue Top (Sodium Citrate)

Alternate Collection Container: Lavender Top (EDTA) or Green Top (Sodium or Lithium Heparin)

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a sodium citrate tube via venipuncture.
Processing and Submission Instructions
  1. Separate plasma from cells.
  2. Transfer 1 mL of plasma to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Room Temperature

7 days

Refrigerated

14 days

Frozen

14 days

Freeze/Thaw Cycles

Stable x3

Methodology
Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Reference Intervals

See patient report.

Alternate Names
  • Eliquis®
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 1 time per week