Carbamazepine Test
Also known as: Carbamazepine Level Test, Tegretol Test
Carbamazepine Test test available at DNA Labs India for ₹936. Uses Chemiluminescent Immunoassay on Serum samples. Results in Reports are available daily, usually within 24 hours of sample collection.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
The purpose of the Carbamazepine Test is to monitor the concentration of carbamazepine in the blood to ensure therapeutic efficacy and prevent toxicity in patients being treated for epilepsy or neuropathic pain.
- Test Code
- 262
- Price
- ₹936
- Sample Type
- Serum
- Result Time
- Reports are available daily, usually within 24 hours of sample collection.
- Fasting Required
- No
- Method
- Chemiluminescent Immunoassay
Sample Collection
Ensure the sample is collected just before the next scheduled dose at steady state for accurate monitoring. Inform the lab about any other medications.
Method: Venipuncture
Laboratory Analysis
A blood sample will be drawn from a vein in your arm using standard venipuncture technique. The process is quick and minimally invasive.
Report Delivery
Apply pressure to the puncture site to prevent bruising. Resume normal activities. Results will be available via online portal or other delivery methods.
Timeline: Reports are available daily, usually within 24 hours of sample collection.
Patient Instructions
About This Test
Who Should Get This Test
The purpose of the Carbamazepine Test is to monitor the concentration of carbamazepine in the blood to ensure therapeutic efficacy and prevent toxicity in patients being treated for epilepsy or neuropathic pain.
How to Prepare
- Collect sample in a Red Top (No Additive) tube.
- Avoid using SST gel barrier tubes.
- Ship refrigerated or frozen if not analyzed immediately.
- Label the sample with patient details and time of collection.
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"Regular monitoring of carbamazepine levels is crucial for patients on this medication to prevent toxicity and ensure effective therapy for seizures or nerve pain."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted samples
- Incorrect tube type (e.g., SST gel barrier tubes)
- Insufficient volume (<0.5 mL)
- Improper labeling or missing information
Understanding Your Results
Subtherapeutic; may indicate inadequate dosing or non-compliance.
Therapeutic range; optimal for seizure control and pain management.
Potentially toxic; monitor for symptoms like dizziness or nausea.
Toxic range; risk of serious side effects such as seizures or coma. Consult a doctor immediately.
Consult a doctor if you experience symptoms like double vision, unsteadiness, confusion, or seizures, or if your carbamazepine levels are outside the therapeutic range.
Limitations
- ⚠This test measures drug levels, not the underlying disease activity.
- ⚠Does not differentiate between toxicity from carbamazepine and other causes.
- ⚠Results must be interpreted in clinical context.
Risks & Considerations
- ●Minor bruising or pain at the puncture site
- ●Rare risk of infection or dizziness during blood draw
Interfering Factors
- ●Concurrent use of other anticonvulsants like phenytoin or valproate
- ●Hepatic or renal dysfunction affecting drug metabolism
- ●Timing of sample collection relative to dosage
- ●Hemolyzed or lipemic serum samples
Compare With Similar Tests
| Test | Carbamazepine Test | Phenytoin Test | Valproic Acid Test | Phenobarbital Test |
|---|---|---|---|---|
| Comparison | Carbamazepine Test |
Frequently Asked Questions
What is the cost of the Carbamazepine test at DNA Labs India?
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What are the symptoms of high Carbamazepine levels?
What is the normal range for Carbamazepine?
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Is home sample collection available for this test?
Do I need to fast before the Carbamazepine test?
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Are there any risks associated with the Carbamazepine test?
What should I do if my Carbamazepine levels are high?
Can other medications affect the Carbamazepine test results?
Is the Carbamazepine test covered by insurance in India?
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