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HelpOrderable Name ADALX Adalimumab Quantitative with Reflex to Antibody, Serum
Additional Codes
CNE Order Code: Adalimumab Ab
Ordering Guidance
If both quantitation and antibody testing are needed, regardless of the quantitation results, order ADALP / Adalimumab Quantitative with Antibody, Serum
Specimen Required
Patient Preparation: Â For 12 hours before specimen collection, patient should not take multivitamins or dietary supplements (eg, hair, skin, and nail supplements) containing biotin (vitamin B7
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Useful For
Therapeutic drug monitoring of adalimumab concentration and antibody levels, if appropriate
Reflex Tests
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ADLAB | Adalimumab Ab, S | No | No |
Testing Algorithm
If the result is 8.0 mcg/mL or less, then adalimumab antibody test will be performed at an additional charge.
For more information see Ulcerative Colitis and Crohn Disease Therapeutic Drug Monitoring Algorithm.
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Specimen Type
SerumSpecimen Minimum Volume
0.35 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | OK |
| Heat-treated specimen | Reject |
Reference Values
ADALIMUMAB QUANTITATIVE:
Limit of quantitation is 0.8 mcg/mL. Optimal therapeutic ranges are disease specific.
ADALIMUMAB ANTIBODY:
<14.0 AU/mL
Day(s) Performed
Monday, Wednesday, Friday
Report Available
2 to 4 daysCPT Code Information
80145
83520 (if appropriate)
Forms
If not ordering electronically, complete, print, and send one of the following with the specimen:
-Gastroenterology and Hepatology Test Request (T728)
-Therapeutics Test Request (T831)