Paroxetine Test
Short Name: Paroxetine TDM
Also known as: Paroxetine Serum Test, Paroxetine Level Test, SSRI TDM - Paroxetine
Paroxetine Test test available at DNA Labs India for ₹38,000. Uses LC-MS/MS on Serum samples. Results in Samples must be received by the 7th of the month. Reports are generally available after 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 purpose of the Paroxetine test is to measure the drug level in the blood to support safe and effective prescribing. It is used to monitor therapy, assess adherence, identify potential toxicity, and help the doctor make appropriate dose adjustments.
- Test Code
- 3528
- Price
- ₹38,000
- Sample Type
- Serum
- Result Time
- Samples must be received by the 7th of the month. Reports are generally available after 2-3 weeks.
- Fasting Required
- No
- Method
- LC-MS/MS
Sample Collection
Duly filled Test Send Out Consent Form (Form 35) is mandatory. Inform your doctor about all medications you are taking. The sample is ideally collected just before the next dose is due at steady state.
Method: Blood draw (venipuncture)
Laboratory Analysis
A blood sample will be collected from a vein in your arm. The procedure is quick and routine. Usually 2 mL of serum is required.
Report Delivery
You can resume normal activities immediately after blood collection. Keep the puncture site clean and dry. Minor bruising may occur and usually resolves on its own.
Timeline: Samples must be received by the 7th of the month. Reports are generally available after 2-3 weeks.
Patient Instructions
About This Test
Who Should Get This Test
The purpose of the Paroxetine test is to measure the drug level in the blood to support safe and effective prescribing. It is used to monitor therapy, assess adherence, identify potential toxicity, and help the doctor make appropriate dose adjustments.
How to Prepare
- Collect 2 mL (1 mL minimum) serum from 1 Red Top (No Additive) tube.
- Do not use SST gel barrier tubes.
- Separate serum within 2 hours of collection.
- Ship refrigerated or frozen.
- Ideal sampling time: just before the next dose is due at steady state.
- Duly filled Test Send Out Consent Form (Form 35) is mandatory.
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"Paroxetine therapeutic drug monitoring is useful when the clinical response is suboptimal, when compliance is uncertain, or when side effects raise the possibility of toxicity. The result should always be interpreted along with the patient's symptoms, dose, and overall treatment plan."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Use of serum separator (SST) gel barrier tube.
- Sample not separated within 2 hours of collection.
- Inadequate sample volume (less than 1 mL serum).
- Improperly labeled sample.
Understanding Your Results
Below therapeutic range (< 20 ng/mL)
Within therapeutic range (20-80 ng/mL)
Above therapeutic range (> 80 ng/mL)
Consult your psychiatrist or treating doctor if you have concerns about paroxetine therapy, experience side effects, notice no improvement in symptoms, or have questions about your test result. Do not change your dose without medical advice.
Limitations
- ⚠Paroxetine levels are only one part of clinical assessment and should not be used alone to diagnose or manage depression or anxiety.
- ⚠Reference ranges may vary between laboratories.
- ⚠This test does not replace a clinical evaluation by a qualified doctor.
Risks & Considerations
- ●Mild pain or discomfort during blood collection.
- ●Small bruise or swelling at the needle site.
- ●Dizziness or lightheadedness during blood draw.
- ●Rare risk of infection at the puncture site.
Interfering Factors
- ●Use of serum separator (SST) gel barrier tubes is not permitted for this test.
- ●Sample not collected just before the next dose may not reflect the trough level.
- ●Failure to separate serum within 2 hours of collection may affect results.
- ●Other medicines can affect paroxetine levels; tell your doctor about all medications you are taking.
Frequently Asked Questions
What is the Paroxetine test?
Why has my doctor recommended a Paroxetine test?
How is the Paroxetine test sample collected?
Do I need to fast for the Paroxetine test?
Is home sample collection available for the Paroxetine test?
What is the cost of the Paroxetine test?
How long does it take to get the Paroxetine test report?
What is the normal reference range for Paroxetine?
What does a low Paroxetine level mean?
What does a high Paroxetine level mean?
Can I take my paroxetine medicine before the test?
Is a consent form required for the Paroxetine test?
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