Infliximab Antibody Test
Also known as: Anti-Infliximab Antibody Test, Infliximab Antibody Assay
Infliximab Antibody Test test available at DNA Labs India for ₹32,000. Uses ELISA on Serum samples. Results in Results are typically available after 2-3 weeks from sample collection.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr SHAILAJA RAGHUNATH MURDESHWAR
Consultant Physician · Reg: 8052
Last reviewed: September 3, 2026
Overview
To detect and quantify antibodies to Infliximab in a patient's blood, aiding in the assessment of drug efficacy, resistance, and guiding therapeutic decisions for autoimmune conditions.
- Test Code
- 1103
- Price
- ₹32,000
- Sample Type
- Serum
- Result Time
- Results are typically available after 2-3 weeks from sample collection.
- Fasting Required
- No
- Method
- ELISA
Sample Collection
Patient should avoid multivitamins and dietary supplements containing Biotin & Vitamin B7 for 48 hours prior to sampling. No fasting from food is required.
Method: Venipuncture
Laboratory Analysis
Standard venipuncture procedure to collect 3 mL of blood into a red-top tube.
Report Delivery
Apply pressure to the puncture site; mild soreness or bruising may occur. Resume normal activities.
Timeline: Results are typically available after 2-3 weeks from sample collection.
Patient Instructions
About This Test
Who Should Get This Test
To detect and quantify antibodies to Infliximab in a patient's blood, aiding in the assessment of drug efficacy, resistance, and guiding therapeutic decisions for autoimmune conditions.
How to Prepare
- Avoid Biotin and Vitamin B7 supplements for 48 hours before the test.
- Ensure proper sample labeling and documentation.
- Ship the serum sample refrigerated or frozen as per stability guidelines.
- Complete and submit the Test Send Out Consent Form (Form 35) if required.
Doctor's Notes
Reviewed by Dr SHAILAJA RAGHUNATH MURDESHWAR — MBBS, MD (General Medicine) · Reg. No. 8052
"Monitoring antibody levels to Infliximab helps in rational therapeutic decisions for autoimmune disease management."
Last medically reviewed: September 3, 2026
Test Parameters & Specifications
Sample Stability
- Insufficient sample volume (less than 3 mL)
- Hemolyzed or severely lipemic samples
- Improper storage or transport conditions
- Missing consent form or incorrect patient information
Understanding Your Results
Negative
No detectable antibodies to Infliximab; the drug may be effective, but clinical correlation is essential.
Positive (Low Level)
Low antibody levels detected; may indicate early resistance or reduced drug efficacy. Monitor symptoms and consider drug level testing.
Positive (High Level)
High antibody levels detected; strong indication of Infliximab resistance, which may lead to loss of clinical efficacy. Consult your doctor for therapy adjustment.
If you experience increased pain, inflammation, worsening of symptoms, or new symptoms while receiving Infliximab therapy, consult your healthcare provider to discuss testing options.
Limitations
- ⚠Not a routine screening test; ordered based on clinical suspicion
- ⚠Results should be interpreted alongside patient symptoms and drug levels
- ⚠May not detect all forms of antibody interference or low-affinity antibodies
- ⚠Test performance can vary based on laboratory methodology
Risks & Considerations
- ●Minor bruising or discomfort at the puncture site
- ●Rare risk of infection or dizziness
Interfering Factors
- ●Biotin and Vitamin B7 supplements
- ●Hemolyzed or lipemic samples
- ●Recent administration of other biologic therapies
Compare With Similar Tests
| Test | Infliximab Antibody Test | Infliximab Drug Level Test | C-Reactive Protein (CRP) Test |
|---|---|---|---|
| Comparison | Infliximab Antibody Test | Measures drug concentration vs. antibody levels; both tests complement each other for therapy monitoring. | Indicates general inflammation but does not specifically assess Infliximab resistance. |
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