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Adalimumab Concentration and Anti-Adalimumab Antibody
Test Code901513
CPT Codes
80299, 82397<br /> Restricted Client Code
Preferred Specimen
2 mL serum, received spun
Minimum Volume
1 mL (note: This volume does not allow for repeat testing)
Instructions
Allow a minimum clotting time of 30 to 60 minutes with serum separation within 2 hours of collection. Send serum in a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Additional Info
All positive antibody results are verified by confirmatory test.
<100 ng/mL Low antibody titer, no significant impact on free drug level
101 - 300 ng/mL Intermediate antibody titer, variable impact on free drug level
>301 ng/mL High antibody titer, significant impact on free drug level
Additional Info
All positive antibody results are verified by confirmatory test.
<100 ng/mL Low antibody titer, no significant impact on free drug level
101 - 300 ng/mL Intermediate antibody titer, variable impact on free drug level
>301 ng/mL High antibody titer, significant impact on free drug level
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 308 days
Refrigerated: 7 days
Frozen: 308 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Plasma
Methodology
Electrochemiluminescence (ECLIA)
Setup Schedule
Set up: Mon, Wed; Report available: 3-7 days
Reference Range
See Laboratory Report
Clinical Significance
Monitor anti-adalimumab therapy for individuals with Crohn's disease, inflammatory bowel disease, ulcerative colitis, rheumatoid arthritis, or other autoimmune conditions. This test provides adalimumab drug concentration levels as well as the level of anti-adalimumab antibodies.
