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DNA Labs India

Diazepam Test

DNA Labs India | ISO 9001:2015 Certified

Diazepam Test

Also known as: Valium Test, Benzodiazepine Test

Diazepam Test test available at DNA Labs India for ₹17,500. Uses LC-MS/MS on Serum from blood samples. Results in 2-3 weeks. Free home collection in 300+ cities across India.

Blood TestAdults🏠 Home Collection

🩺 Medically Reviewed By

Overview

The purpose of the Diazepam Test is to monitor the concentration of diazepam and its active metabolite in the blood to ensure therapeutic levels are maintained, optimizing treatment efficacy and minimizing adverse effects.

Test Code
493
Price
₹17,500
Sample Type
Serum from blood
Result Time
2-3 weeks
Fasting Required
No
Method
LC-MS/MS
Step 1

Sample Collection

Ensure sample is taken just before the next dose at steady state. Duly filled Test Send Out Consent Form (Form 35) is mandatory.

Method: Blood Draw

Step 2

Laboratory Analysis

Standard blood draw procedure from a vein in the arm.

Step 3

Report Delivery

Apply pressure to the puncture site to stop bleeding and prevent bruising.

Timeline: 2-3 weeks

Patient Instructions

1
Before the Test:Consult your doctor and ensure the consent form is filled. Schedule the test just before the next dose.
2
During the Test:A blood sample will be collected from your arm.
3
After the Test:Results will be available in 2-3 weeks via online portal, email, or WhatsApp.

About This Test

Who Should Get This Test

The purpose of the Diazepam Test is to monitor the concentration of diazepam and its active metabolite in the blood to ensure therapeutic levels are maintained, optimizing treatment efficacy and minimizing adverse effects.

How to Prepare

  • Collect 3 mL serum from 1 Red Top (No Additive) tube
  • Do not use SST gel barrier tubes
  • Ship refrigerated or frozen as specified
  • Complete and submit Test Send Out Consent Form (Form 35)

Doctor's Notes

Reviewed by — MBBS, MD (Biochemistry) · Reg. No. 21504

"This test helps monitor diazepam levels to ensure therapeutic efficacy and avoid toxicity in patients with anxiety, seizures, or muscle spasms."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeSerum from blood
Sample Volume3 mL (2 mL min.)
ContainerRed Top (No Additive) tube
Collection MethodBlood Draw

Sample Stability

Room Temperature: Not applicable (NA)
Refrigerator: 5 days
Frozen: 14 days
Sample Rejection Criteria:
  • Incorrect sample type or container
  • Hemolyzed or insufficient sample volume
  • Missing consent form or improper labeling
  • Sample not stored or shipped correctly

Understanding Your Results

Interpretation of Diazepam Test results requires consideration of therapeutic ranges, patient symptoms, and medical history. Results should be reviewed by a healthcare provider.
📊

Diazepam levels are within the expected range for effective therapy.

Level: Within Therapeutic Range

📊

Subtherapeutic levels may indicate non-compliance, rapid metabolism, or need for dosage adjustment.

Level: Below Therapeutic Range

📊

Supratherapeutic levels may indicate toxicity risk, requiring medical evaluation and possible dosage reduction.

Level: Above Therapeutic Range

⚠️ When to Consult a Doctor:

Consult your doctor if you experience symptoms like excessive drowsiness, dizziness, or if test results are outside the therapeutic range.

Limitations

  • Does not diagnose addiction or substance use disorder
  • Results must be interpreted in conjunction with clinical symptoms
  • Not a standalone test for treatment decisions
  • Reference ranges may vary based on laboratory methods and patient factors

Risks & Considerations

  • Minor bruising or pain at the blood draw site
  • Rare risk of infection or hematoma
  • Minimal risk associated with blood collection

Interfering Factors

  • Other benzodiazepines or medications affecting central nervous system
  • Liver function impairment, which may alter drug metabolism
  • Recent intake of diazepam or related drugs prior to test timing
  • Hemolyzed or lipemic samples may interfere with analysis

Frequently Asked Questions

What is a Diazepam Test?
A Diazepam Test measures the levels of diazepam and its metabolite in blood to monitor therapeutic drug levels during treatment for anxiety, seizures, or muscle spasms.
Why is this test done?
It is done to ensure diazepam is effective within safe limits, prevent toxicity, adjust dosage, and monitor patient compliance.
How is the test performed?
The test involves collecting a blood sample from a vein, which is then analyzed in a laboratory using LC-MS/MS method.
What does the test measure?
It measures the concentration of diazepam and its active metabolite nordiazepam in serum.
How should I prepare for the test?
Take the sample just before your next scheduled dose at steady state. Bring the filled consent form (Form 35).
What are the risks of the test?
Risks are minimal, including minor bruising or pain at the blood draw site, similar to any blood test.
How long does it take to get results?
Results are typically available within 2-3 weeks after sample collection.
What do the results mean?
Results indicate if diazepam levels are within, below, or above therapeutic range, guiding dosage adjustments by your doctor.
Can I take my medication before the test?
Yes, but the sample should be collected just before the next dose to measure trough levels accurately.
Is home collection available?
Yes, DNA Labs India offers free home sample collection for this test across many cities in India.
What is the cost of the test?
The cost is INR 17500, including home collection and report delivery.
Who should order this test?
This test is typically ordered by psychiatrists or neurologists for patients on diazepam therapy.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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Your medical data is protected under Indian law.

Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.

DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.

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