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If you have already have a Cyrex, Nationwide Pathology, FDX, or other, blood test kit, you can book a blood draw through Phlebotomy services with or without centrifugation.

FDX Thyroid Check +

Our Thyroid Check Plus is the next level up from our Thyroid Check (FDX23) test. It includes all of the markers in the Thyroid Check. In order to reveal possible further thyroid imbalances, we have added additional biomarkers that include receptor antibody markers which can help to identify autoimmune responses. 


Price includes all the phlebotomy services, centrifugation, refrigeration, transport, analysis and a comprehensive, accurate and clear report.

How it works

Wait up to 5 days to receive your test kit.

Once received, book an appointment online, for a blood draw. Our Phlebotomist will guide you throughout the process. How to prepare.

Once Hypothyroidism or Hyperthyroidism is suspected, our objective as clinicians, is to avoid further thyroid degeneration such as Autoimmune Graves’ and Hashimoto’s thyroiditis, some of the most frequent autoimmune disorders. 

Our Thyroid Check Plus panel also tests for Epstein-Barr virus (EBV). This is one of the most considered viral infections linked in autoimmune Thyroiditis, as well as thyroglobulin and TSH receptor antibodies. 

Suitable for:

  • Are already diagnosed but need further analysis 
  • Have a suspected diagnosis of Hypothyroidism (underactive) or Hyperthyroidism (overactive) thyroid disfunction 
  • Show clinical signs of autoimmune disorders such as tiredness, fatigue, hair loss, weight gain or weight loss, dry skin and hair loss and poor hair quality. 


Our FDX Thyroid Check panel has been created to look further than the norm (traditional blood analysis) to reveal more about your client’s health picture and to identify areas to focus an effective treatment plan. FunctionalDX uses the world’s most advanced blood interpretation technology considers 13 body systems, 7 accessory systems, 7 macronutrient systems, 14 micro-nutrient deficiencies and 40+ clinical dysfunctions.


How it works

The price includes all the phlebotomy services, centrifugation, refrigeration, transport, analysis and a comprehensive, accurate and clear report.

Please read the notes below, before booking your appointment online.

Functional DX Kits

If you have ordered a Functional DX Blood Test Panel, please wait up to 5 days to receive the Test Kit by post to your address. Then, call reception to book an appointment for your blood draw, or book online

Remember, to bring your test kit with you to the appointment.

For urgent requests, please contact reception on 020 8458 7869.

How to Prepare

How do I prepare for my test?

  • Do not eat for 12 hours before your blood test.
  • Drink plenty of water before your blood test.
  • Do not stop any medications, unless advised by your health care practitioner.

Required for a Functional DX blood test:
Stop any supplementation 24-48 hours before testing.

If you have any questions, or for a comprehensive advisory on blood tests, book a consultation with Marina Townsley, Naturopath.

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