Adalimumab Level and Anti-drug Antibody

Test Code

38314

CPT Codes
80145, 83520<br><strong>This test is not available for New York patient testing</strong><br>Restricted Client Code

Preferred Specimen

2 mL serum collected in a red-top tube (no gel)

Minimum Volume

1 mL

Instructions

The blood should be drawn just before the next infusion of adalimumab to measure the trough drug level. No biotin supplements 48 hours prior to blood draw.

Transport Temperature

Refrigerated (cold pack)

Specimen Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen -20°C: 14 days
Frozen -70°C: 42 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Serum separator tube (SST)

Methodology
Enzyme-Linked Immunosorbent Assay

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon, Tues, Thurs-Sat; Report available: 2-3 days

Reference Range

< 10 AU

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.