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Private Testing in the UK

Before ordering private thyroid tests in the UK, read about getting a diagnosis and thyroid function tests to see which might be relevant for you. If you can’t get the tests done by your clinician, then consider ordering from our partner private testing companies.

Be aware that biotin can affect FT4 levels if you take more than 20mg a day. You should stop taking biotin at least two days before taking the test if you take more than 20mg. For more information go to https://thyroiduk.kinsta.cloud/biotin-and-thyroid-testing/

Thyroid UK staff are not qualified to interpret the test results for you. This may be done by your NHS doctor or a private doctor or practitioner.  Thyroid UK has a list of Private Doctors & Practitioners who may be able to help you. You can also request a consultation from a BANT-registered nutritional therapist or join our online community to discuss your test results with other members.


Medichecks is all about your health. Whether you want to feel better, exercise harder or live longer, they are here to help. They want to empower everyone to take charge of their health with simple, personal blood checks.

Samples are collected by either

  • home testing
  • visiting a private clinic
  • having a nurse visit you

More information about choosing your test and placing an order.

Order your test online or call 03450600600 and get a 10% discount using code THYROIDUK10 (please note this cannot be used in conjunction with any other offers or discounts). A doctor’s report and private thyroid test interpretation are included in the fee.


Thriva have partnered with a few of the UK’s best private pathology labs to process all their private thyroid tests. By increasing convenience, ease and insightfulness, they provide the products and services that will empower people to proactively manage their health.

Order a Thyroid Blood Test and get £15 off using the code THYROIDUK

Monitor My Health

Monitor My Health private thyroid tests in the UK are carried out at the Royal Devon and Exeter NHS Foundation Trust laboratory. They provide an easily accessible, safe, regulated service that promotes disease prevention and wellness.

Order a thyroid home testing kit and get a 10% discount using the code THYROIDUK10

They also offer other tests including a Covid-19 Antibody testing with a 10% discount using the code THYROIDUK10

Blue Horizon

Blue Horizon are a small doctor-led practice that have been supporting Thyroid UK for over 10 years. They provide premium home blood test kits, access to phlebotomy services and access to testing through private hospitals throughout the UK.

You can order a Home Thyroid Blood Test Kit Online at: https://bluehorizonbloodtests.co.uk/collections/thyroid-blood-tests and get a 30% discount using the code TUK30. All Blue Horizon Premium Thyroid Tests now include cortisol and magnesium as standard.

For a thyroid test at private hospitals throughout the UK which avoids the DIY aspect of home blood testing visit https://privatebloodtests.co.uk/collections/thyroid-blood-tests and get 10% discount using the code TUK10

For a thyroid test in London, order online at https://bloodtestslondon.com/collections/thyroid-blood-analysis. No discounts are currently available for Blood Tests London but prices are significantly better than in 2022. Additionally, if you email them with your order number they will tag it as a Thyroid UK member order and donate £10 to us for that and any subsequent thyroid orders from that website.

Once you have ordered, all you do is simply attend the walk-in centre near Oxford Street immediately and for this service your results are guaranteed, meaning if your results are late you get a full refund.

London Private Ultrasound Clinic

Visit the London Private Ultrasound website to find out about their thyroid and neck ultrasound scan and to make a booking.  Use this personalised url – https://bit.ly/3L8seGb  – and you will be sent to a page where a 10% discount has already been deducted.

Phoenix Pathology

Phoenix Pathology at 25 Harley Street has a quality assured pathology laboratory on-site. It is currently the only laboratory on Harley Street and offers reporting on some urgent samples within an hour.

Review the available private thyroid tests in the UK on their website then call 0207 079 2100 or email to book and mention Thyroid UK.

Genova Diagnostics

Genova Diagnostics Europe is a global speciality clinical laboratory, pioneering a systems approach that supports healthcare providers in the personalised treatment and prevention of chronic disease.

Read the list of available tests, then call 020 8336 7750 or request a test kit by email using the code A42AQ. Thyroid UK have organised discounts on some tests however these are not available via the Genova Diagnostics website.

If you order a test, Thyroid UK, in association with Melissa Cohen, Registered Nutritional Therapist, will be named as your practitioner.

Once your test has been analysed, it will be sent to Thyroid UK. Thyroid UK will then send it to you via email. To receive your test results, you must complete a Test Results Form.

Once You Have Your Test Results

Please do not telephone the Thyroid UK office. Thyroid UK staff are not qualified to interpret the test results for you. This may be done by your NHS doctor or a private doctor or practitioner. Thyroid UK have a list of private doctors and practitioners which you can request here or if you require interpretation of your results you can book a consultation with Registered Nutritional Therapist, Melissa Cohen. Melissa Cohen’s prices:

• 30 minute consultation with a brief follow-up email – £110
• 1 hour consultation with follow-up email to include recommendations – £145

To book an appointment please email melissa@melissa-cohen.com or call on 07780 955627
You can find out more here: www.melissa-cohen.com

Alternatively, you could search for a nutritional therapist on http://bant.org.uk/ or you can join our
online community and discuss your test results with other members.


Regenerus provide you with simple, easy access to world-leading laboratories that deliver the broadest range of wellness focussed diagnostic testing services.


CNS Lab specialises in the field of immunodiagnostics and is a subsidiary of Omega Diagnostics Group PLC, a provider of diagnostic products for use in hospitals, clinics and laboratories in over 100 countries worldwide. These tests are only available for people within the UK at present.


If you think that food intolerance may be responsible for your symptoms then the Smartblood Food Intolerance Test may help you find out which foods you have a problem with.

Order a food intolerance test and get £5 off using the code TUK5. The fee includes a 30-minute consultation with a BANT-registered nutritional therapist.

Thyroid UK receives a donation for every test purchased from these testing companies which supports us in our vital work to help people with thyroid disease and related disorders.

Date updated: 10.10.23 (V1.15)
Review date: 25.02.23

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