Thyroid Function Test

Your thyroid plays a vital role in how you feel every day.

Sample
Blood
Collection
Venous draw at clinic
Results in
1 day
Biomarkers
5
Tests for
  • Thyroid Stimulating Hormone
  • Free T4
  • Free T3
  • Anti-TG
  • Anti-TPO

Test specifications

Sample type
blood
Collection method
venous draw at clinic
Turnaround time
1 day
Biomarkers tested
5
At-home test
No
Doctor reviewed
No
Gender focus
Both

What's tested

5 biomarkers as listed by Randox Health.

Hormones

  • Thyroid Stimulating Hormone

Thyroid function

  • Free T4

Thyroid hormones

  • Free T3
  • Anti-TG
  • Anti-TPO

About this test

Your thyroid plays a vital role in how you feel every day. Our comprehensive thyroid function test measures TSH, Free T3, Free T4 and thyroid antibodies, with results available in as little as 24 hours - helping you understand whether an underactive or overactive thyroid could be affecting your health and wellbeing.

Measure 5 key biomarkers linked to your thyroid function and gain a clearer picture of your thyroid health. An underactive thyroid can present as fatigue, weight gain, low mood, hair thinning and sensitivity to cold, while an overactive thyroid may cause symptoms such as weight loss, anxiety, palpitations and heat sensitivity. If any of these sound familiar, a Randox Health thyroid test gives you meaningful data you can act on.

  • 5 biomarkers measured: TSH, Free T3, Free T4, Anti-TPO and Anti-TG
  • Gain a clear picture of your thyroid function
  • Results within 24 hours from receipt of sample at lab

Description provided by Randox Health.

Our editorial score

Compare Health Test Score
Editorial confidence: 9.5/10

Score breakdown

  • Clarity and UX 9.0/10

    The listing publishes a detailed description, the full biomarker list, a stated turnaround, clear collection options, the sample type; it does not state what the report looks like.

  • Clinical Depth 7.4/10

    5 biomarkers against a median of 5.5 across the 14 tests in its comparison group.

  • Collection Convenience 5.0/10

    Requires a venous draw at a clinic; results within 2 days.

  • Price Value 8.7/10

    £60.00 against a comparison-group median of £87.50 (-31%).

  • Results and Follow-up 4.5/10

    Results are not doctor-reviewed as standard.

  • Trust Signals 9.0/10

    Trustpilot 4.6 from 29,705 reviews; accredited lab (UKAS ISO 15189 (Randox Clinical Laboratory Services, lab 9329)); CQC registered.

Compare with similar tests

This test belongs to our Advanced thyroid function comparison group. See how it stacks up against equivalent tests from other providers.

View all →

Advanced Thyroid Test

The Advanced Thyroid Test includes additional markers for a more comprehensive assessment of your thyroid gland, including free T3 and thyroid antibodies which can indicate autoimmune thyroid disease.

  • At-home test
8.6 / 10