Amitriptyline Test
Also known as: Amitriptyline Level Test, TCA Monitoring Test, Tricyclic Antidepressant Test
Amitriptyline Test test available at DNA Labs India for ₹14,000. Uses Chromatography, Mass Spectrometry on Serum samples. Results in 2-3 weeks. 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 primary purpose of the Amitriptyline Test is to monitor the concentration of amitriptyline in the blood to ensure it remains within the therapeutic range. This helps in managing treatment for depression, anxiety, and chronic pain effectively, while avoiding potential side effects or overdose symptoms such as confusion, agitation, or seizures. The test is also used for diagnosing amitriptyline overdose, assessing patient compliance, evaluating drug interactions, and guiding dosage adjustments in special populations like the elderly or those with liver or kidney issues.
- Test Code
- 103
- Price
- ₹14,000
- Sample Type
- Serum
- Result Time
- 2-3 weeks
- Fasting Required
- No
- Method
- Chromatography, Mass Spectrometry
Sample Collection
Recommended specimen: >12 hours post oral dose. Duly filled Test Send Out Consent Form (Form 35) is mandatory. Inform your doctor about all medications and supplements you are taking.
Method: Venipuncture
Laboratory Analysis
A blood sample will be collected via venipuncture from a vein in your arm. The procedure is quick and minimally invasive.
Report Delivery
Apply pressure to the puncture site to prevent bruising. You can resume normal activities immediately. Results will be available in 2-3 weeks.
Timeline: 2-3 weeks
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Amitriptyline Test is to monitor the concentration of amitriptyline in the blood to ensure it remains within the therapeutic range. This helps in managing treatment for depression, anxiety, and chronic pain effectively, while avoiding potential side effects or overdose symptoms such as confusion, agitation, or seizures. The test is also used for diagnosing amitriptyline overdose, assessing patient compliance, evaluating drug interactions, and guiding dosage adjustments in special populations like the elderly or those with liver or kidney issues.
How to Prepare
- Schedule sample collection more than 12 hours after the last amitriptyline dose
- Complete and sign Test Send Out Consent Form (Form 35)
- Avoid using SST gel barrier tubes; use Red Top tubes with no additives
- Ship samples refrigerated or frozen as per guidelines
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"Regular monitoring of amitriptyline levels is crucial for therapeutic efficacy and to prevent toxicity, especially in patients with hepatic or renal impairment."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample collected in SST gel barrier tubes
- Sample volume less than 1.5 mL
- Incorrect timing (within 12 hours of dose)
- Missing consent form
Understanding Your Results
Drug levels within the expected range, indicating appropriate dosing for efficacy.
Level: Therapeutic Range
Levels below therapeutic range, suggesting poor compliance, malabsorption, or need for dose adjustment.
Level: Subtherapeutic
Levels above therapeutic range, indicating potential overdose risk or toxicity, requiring immediate medical attention.
Level: Supratherapeutic
Consult your doctor if you experience symptoms of overdose (e.g., confusion, agitation, seizures), unusual side effects, or if test results are outside the therapeutic range.
Limitations
- ⚠Test does not measure other metabolites or related compounds
- ⚠Results may vary based on individual metabolism and adherence
- ⚠Not a standalone diagnostic tool for mental health conditions
Risks & Considerations
- ●Minor bruising or pain at the puncture site
- ●Rare risk of infection or dizziness
- ●No significant risks associated with the test itself
Interfering Factors
- ●Concurrent use of other medications, especially SSRIs or antipsychotics
- ●Liver or kidney disease affecting drug metabolism
- ●Genetic variations in drug metabolism enzymes
- ●Recent ingestion of amitriptyline (sample should be >12 hours post-dose)
Compare With Similar Tests
| Test | Amitriptyline Test | Other Tricyclic Antidepressant Levels | Liver Function Test | Kidney Function Test | Pharmacogenomic Test |
|---|---|---|---|---|---|
| Comparison | Amitriptyline Test | Similar monitoring for other TCAs like imipramine or nortriptyline. | Assesses liver health, which affects amitriptyline metabolism. | Evaluates renal excretion, relevant for drug clearance. | Analyzes genetic factors influencing drug response and metabolism. |
Frequently Asked Questions
What is the Amitriptyline Test?
Why is this test performed?
What is the cost of the Amitriptyline Test at DNA Labs India?
How should I prepare for the test?
What sample type is required?
How long does it take to get results?
What are the symptoms of amitriptyline overdose?
Can this test diagnose amitriptyline overdose?
Are there any risks to the test?
Is fasting required for this test?
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