Thyroid Profile Free Test

Thyroid Profile Free Test

Category
Thyroid
Sample
Blood sample taken from a vein in your arm
Reports () Terms & Conditions Report time varies with time of sample collection.
In 2 days
Fasting
No Fasting
Age
5+ Years

What Is This Test?

Measures Free T3, Free T4 and TSH. Free hormones are the active, unbound forms available to the body.

Why this test is performed?

Gives a more accurate picture of thyroid function than total hormones when protein levels are altered — for example in pregnancy, oral contraceptive use or illness.

Who should take this test?

Tiredness, weight gain or loss, hair fall, feeling cold or hot, irregular periods, anxiety/palpitations, infertility or pregnancy planning.

Test Preparation

No fasting is needed. If you take thyroid medicine, give the sample before your daily dose (ideally in the morning) unless your doctor advises otherwise.

What's included 3 parameters

FT4 (Free Thyroxine 4) (1)
  • FT4
FT3 (Free Triiodothyronine 3) (1)
  • FT3
TSH 3rd Generation (1)
  • TSH
Medical disclaimer · for information only, not medical advice

This article is for general information and education only. It is not medical advice, does not create a doctor–patient relationship, and is not a substitute for consultation with a qualified doctor who has assessed your individual situation. Never delay seeking medical advice because of something you have read here.

In a medical emergency, call 112, or 108 for an ambulance where that service operates, or go to your nearest emergency department. If you are in mental health distress, Tele-MANAS is free and available 24×7 on 14416.

Read our Editorial Policy and Medical Review Process.

Frequently asked questions

It is preferred in pregnancy and certain medical conditions; for routine screening either is acceptable, as advised by your doctor.

No fasting is needed. If you take thyroid medicine, give the sample before your daily dose (ideally in the morning) unless your doctor advises otherwise.

Blood sample taken from a vein in your arm.

Usually within 12–36 hours after the sample reaches the lab. You will receive the report online.

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