Test Price
100 AEDโ Home Collection Available
Free T4 & Free T3 (FT4 & FT3) Test in UAE | 100 AED | DHA Licensed
Executive Summary & Core Metrics
Test Overview & Methodology
The Free T4 (FT4) and Free T3 (FT3) test measures the unbound, biologically active fractions of the two principal thyroid hormones โ thyroxine (T4) and triiodothyronine (T3) โ in serum. Unlike total T4/T3 assays, this panel is unaffected by thyroid-binding globulin (TBG) fluctuations, making it the definitive first-line assessment for thyroid function in the UAE under current DHA Clinical Guidelines.
| Feature | Our FT4 & FT3 Test (CLIA) | Closest Alternative (Total T4/T3) |
|---|---|---|
| Precision | 99.9% Diagnostic Sensitivity; unaffected by TBG, pregnancy, or oral contraceptives | 70โ85% โ influenced by binding protein shifts; requires confirmatory FT4/FT3 |
| Methodology | Chemiluminescent Immunoassay (CLIA) โ Current Gold Standard | Radioimmunoassay (RIA) or older ELISA โ declining clinical adoption |
| Turnaround Time | Daily reporting; results within 24 hours | 2โ5 business days in most UAE labs |
| Regulatory Compliance | Federal Decree-Law No. 45 of 2021 (PDPL) & Federal Law No. 2 of 2019 on Health ICT | Variable; not all labs maintain DHA pre-approval |
Physician Insight & Safety Protocols
Dr. Ajay Singh | General Practitioner (DHA Registration ID: 36234132):
"The FT4 and FT3 panel is a critical tool for assessing thyroid function in the outpatient setting. I always emphasize that these values must be interpreted alongside TSH and the patient's full clinical history โ symptoms, medication use, and comorbidities. This test alone does not constitute a full endocrine evaluation, and patients must continue any prescribed medication until their treating physician advises otherwise."
Clinical Safety Notice
Do not discontinue prescribed thyroid medication (levothyroxine, methimazole, propylthiouracil, or any beta-blocker prescribed for thyroid storm) without consulting your treating physician. Abrupt withdrawal may trigger myxedema coma or thyroid storm โ life-threatening medical emergencies.
Exclusion Criteria & ER Red Flags
- Exclusion Criteria: Patients currently receiving intravenous thyroxine infusion or high-dose biotin supplementation (>5 mg/day) should postpone testing for at least 48 hours, as biotin interferes with the chemiluminescent immunoassay.
- Exclusion Criteria: Acute non-thyroidal illness syndrome (NTIS) โ critical illness, recent major surgery, or severe infection may transiently alter FT4/FT3 results; testing should be deferred until clinical stabilization.
- ER Red Flag โ Seek Immediate Emergency Care: Profound fatigue with hypothermia, bradycardia, and altered consciousness may indicate myxedema coma. Call 998 (UAE Ambulance) immediately.
- ER Red Flag โ Seek Immediate Emergency Care: High fever (>38.5ยฐC), tachycardia >140 bpm, agitation, and diaphoresis may indicate thyroid storm. Proceed to the nearest Emergency Department without delay.
- Minors: All testing for individuals under 18 years requires documented parental or legal guardian consent in compliance with Federal Decree-Law No. 4 of 2016 on Medical Liability.
Patient FAQ & Clinical Guidance
1. What does the Free T4 and Free T3 test diagnose, and why do I need both?
Snippet Answer: The Free T4 and Free T3 test diagnoses hypothyroidism and hyperthyroidism by measuring the unbound, metabolically active thyroid hormones that directly regulate your body's metabolism, energy, and temperature. Testing both FT4 and FT3 is essential because FT4 reflects thyroid gland output while FT3 reveals peripheral conversion efficiency โ a critical distinction when TSH alone is borderline or when symptoms persist despite normal TSH levels under UAE clinical protocols.
2. Is fasting or any special preparation required for the FT4 & FT3 blood test?
Snippet Answer: No fasting or special preparation is required for the Free T4 and Free T3 blood test; however, patients taking high-dose biotin supplements must discontinue them for at least 48 hours prior to sample collection to prevent assay interference. Collection is performed via standard venipuncture โ 2 mL of serum from one SST tube, shipped under refrigerated or frozen cold-chain conditions per ISO-certified logistics protocols.
3. How quickly will I receive my FT4 & FT3 results, and who interprets them?
Snippet Answer: Your Free T4 and Free T3 results are reported daily โ typically within 24 hours of sample collection โ using the CLIA methodology on automated analyzers in our DHA-licensed facility. Every result is reviewed by a DHA-certified general practitioner, and you receive a telephonic post-test clinical guidance session to interpret your values in the context of your personal health history and current symptoms.
UAE Regulatory & Data Privacy Adherence
Data Privacy & Security: All patient data is processed in strict compliance with Federal Decree-Law No. 45 of 2021 on Personal Data Protection (PDPL) and Federal Law No. 2 of 2019 Concerning the Use of Information and Communication Technology in Health Fields. Clinical safety and patient consent are governed by Federal Decree-Law No. 4 of 2016 on Medical Liability. Our laboratory holds DHA Facility License No. 1143 and operates under the corporate identity of DNA Labs UAE at Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE.
Clinical & Logistical Metadata
| Test Name | Free T4 & Free T3 (FT4 & FT3) |
| Price (AED) | 100 AED |
| Turnaround Time | Daily reporting โ within 24 hours of sample collection |
| Sample Type / Matrix | Serum (2 mL SST tube); VIP Mobile Phlebotomy & Temperature-Controlled Cold-Chain Home Collection available daily 8 AMโ11 PM |
| Methodology Used | Chemiluminescent Immunoassay (CLIA) |
| ICD-10-CM Code | E03.8 (Other specified hypothyroidism) |
| LOINC Code | 3024-0 (FT4), 3051-3 (FT3) |
| DHA Facility License & Laboratory Address | License No: 1143 | Premises 105, Floor 1, Building 33, Dubai Healthcare City, Dubai, UAE โ DNA Labs UAE |
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