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Free T4 (FT4)

Assessing Unbound Thyroid Hormone Levels for Comprehensive Metabolic Health Insight

৳1200

৳1500

20% OFF

Sample Type

blood

Fasting Required

Description

Thyroxine (sometime called T4) is a hormone produced by the thyroid gland. The term “free thyroxine” means measured thyroxine that is not bound to proteins in the blood. Thyroxine is only one-tenth as potent as triiodothyronine (T3). That being said, thyroxine acts on almost every cell in the body, helping to setting the metabolic tone of cells.

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How our test process works!

Step 1

Sample Collection

Vaccinated Phlebotomists collects from syringe in the barcoded vials

Step 2

Sample Storage

Only vaccinated phelbos are assigned orders

Step 3

High Tech Facility

Lab ingests the sample into processing machines which are 100% automated

Step 4

Accurate Digital Reports

The reports are generated by the processing machines and clinically correlated by doctors

Overview

The Free T4 test measures the level of free thyroxine (T4) hormone in the blood, which helps regulate metabolism and growth.

1. Normal Levels: Indicates proper thyroid function.

2. High Levels: Suggests hyperthyroidism (overactive thyroid), causing symptoms like weight loss, rapid heart rate, and anxiety.

3. Low Levels: Indicates hypothyroidism (underactive thyroid), leading to fatigue, weight gain, and depression.

Used to diagnose and monitor thyroid disorders.

Risk assessment

Thyroiditis, Goitre, Autoimmune disorders.

Ranges

Normal range Alternative unit 0.9 - 2.3 (ng/dL) 12-30 (pmol/L) There is a possibility of elevated Free T4 levels in pregnant women and women over 60 years of age. The ranges may differ between the genders, but this is considered the formal range of the Free T4 test results.

Test result interpretation

Interpretation

Normal T4 levels: Indicate proper thyroid function.
Low Free T4 levels: May suggest hypothyroidism (underactive thyroid), which can result in symptoms like fatigue, weight gain, and depression.
High Free T4 levels: Can indicate hyperthyroidism (overactive thyroid), associated with symptoms like weight loss, rapid heartbeat, and anxiety.

Additional tests, such as TSH (Thyroid Stimulating Hormone), are often used in conjunction with Free T4 to provide a more accurate diagnosis.

Sample types

Sample Type

The sample type required for the Free T4 test is a blood sample. A healthcare professional will typically draw blood from a vein in your arm for this test.