Test Price
2,000 AED✅ Home Collection Available
Amitriptyline Therapeutic Drug Monitoring (LC‑MS/MS) – 2,000 AED
Executive Summary & Core Metrics
- Accuracy Guarantee: 99.9% Diagnostic Sensitivity via ISO 9001:2015 Accredited LC‑MS/MS processing.
- Premium Logistics: VIP Mobile Phlebotomy & Temperature‑Controlled Cold‑Chain Home Collection (Available daily 8 AM – 11 PM).
- Clinical Guidance: Telephonic Post‑Test Clinical Guidance in result interpretation by a DHA‑licensed general practitioner.
- Insurance: Direct Billing Verification via WhatsApp +971 54 548 8731.
- Compliant with UAE Federal Decree-Law No. 45 of 2021 on Personal Data Protection (PDPL) and Federal Law No. 2 of 2019 on health data privacy.
Test Overview & Methodology
The Amitriptyline Test is a therapeutic drug monitoring (TDM) assay that quantifies serum amitriptyline and its active metabolite nortriptyline using gold‑standard Liquid Chromatography‑Tandem Mass Spectrometry (LC‑MS/MS). This test enables precise dose individualisation for depression, neuropathic pain, and migraine prophylaxis while preventing toxicity. The assay is validated for steady‑state trough levels (12–14 hours post‑dose) and provides a clinically interpreted therapeutic range.
| Parameter | Our Test (LC‑MS/MS) | Closest Alternative (Immunoassay) |
|---|---|---|
| Methodology | Liquid Chromatography‑Tandem Mass Spectrometry | Enzyme‑multiplied immunoassay (EMIT) |
| Analytical Specificity | Discriminates amitriptyline from nortriptyline; no cross‑reactivity | Potential cross‑reactivity with other tricyclics/metabolites |
| Turnaround Time | Samples received by the 7th of the month; reports within 2–3 weeks (batch testing) | Usually same day, but semi‑quantitative |
| Therapeutic Range Reporting | HPLC‑derived confidence interval with clinical interpretation guideline | Often limited to single‑cut‑off alert |
| ISO Accreditation | ISO 9001:2015 (Cert: INT/EGQ/2509DA/3139) | Varies |
Physician Insight & Safety Protocols
“Therapeutic drug monitoring for amitriptyline is essential for achieving optimal clinical response while minimising the risk of cardiotoxicity and central nervous system side effects. I recommend scheduling the blood draw exactly 12 hours after the evening dose to capture a reliable trough level. Always correlate the serum concentration with the patient’s symptom control and side‑effect profile.”
— Dr. Ajay Singh, General Practitioner, DHA License 36234132
⚠ Medication Safety Advisory
Do not discontinue amitriptyline or any prescribed medication without consulting your doctor. Abrupt cessation can cause withdrawal symptoms, mood destabilisation, or worsening of the underlying condition. Any dose adjustments must be made under medical supervision.
Clinical Exclusion Criteria & Emergency Red Flags
- Exclusion: Sample collected in SST gel barrier tubes (use Red Top no‑additive tube only).
- Exclusion: Patient unable to provide informed consent; mandatory Test Send Out Consent Form (Form 35) required per MOHAP protocol.
- Exclusion: Children under 18 years without legal guardian consent as per UAE Federal Law on medical consent.
- ER Red Flag: Signs of tricyclic toxicity – wide QRS complex, seizures, coma, severe hypotension, hallucinations – seek emergency medical care immediately.
- ER Red Flag: Suspected serotonin syndrome (hyperthermia, clonus, rigidity) with concomitant serotonergic drugs.
Patient FAQ & Clinical Guidance
1. What is the purpose of an amitriptyline blood test?
This test measures serum amitriptyline and nortriptyline levels to personalise dosing and prevent toxicity, ensuring the drug stays within the therapeutic window. It is ordered by psychiatrists, pain specialists, and general practitioners to monitor compliance and adjust doses safely. Results must be interpreted alongside clinical response and side‑effect burden.
2. How should I prepare for the amitriptyline test?
Collect the blood sample exactly 12 hours after your last oral dose of amitriptyline, ensuring you are at steady‑state (usually after 5–7 days of consistent dosing). Use a plain red‑top tube without gel separator. Do not stop or alter your medication without medical advice. Sign the mandatory Form 35 consent at the time of collection.
3. How long do amitriptyline results take in the UAE?
Our LC‑MS/MS assay operates on a batch schedule: specimens received by the 7th of each month report within 2–3 weeks. This extended turnaround ensures rigorous quality control and peer‑reviewed quantification. Urgent clinical decisions should be guided by the prescribing physician while awaiting the formal report.
UAE Regulatory & Data Privacy Adherence
All laboratory operations and data handling comply with the following UAE federal statutes:
- Federal Decree-Law No. 45 of 2021 on Personal Data Protection (PDPL) – ensuring patient data privacy and consent management.
- Federal Law No. 2 of 2019 Concerning the Use of Information and Communication Technology in Health Fields – governing health information exchange and cybersecurity.
- Federal Decree-Law No. 4 of 2016 on Medical Liability – establishing clinical safety and patient consent obligations.
Your test results are encrypted and accessible only to authorised healthcare professionals. Written consent (Form 35) is obtained prior to sample collection and processing.
Clinical & Logistical Metadata
| Test Name | Amitriptyline & Nortriptyline (LC‑MS/MS) – Therapeutic Drug Monitoring |
| Price (AED) | 2,000 AED (Home collection included) |
| Turnaround Time | Specimens received by the 7th of the month; final report within 2–3 weeks |
| Sample Type / Matrix | Serum (Red Top no‑additive tube) |
| Methodology Used | Liquid Chromatography‑Tandem Mass Spectrometry (LC‑MS/MS) |
| ICD-10-CM Code | Z51.81 (Encounter for therapeutic drug monitoring) |
| LOINC Code | 3471-2 (Amitriptyline [Mass/volume] in Serum or Plasma) |
| DHA Facility License & Address | License No. 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE | DNA Labs UAE |
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