Vitamin D Home Test Kit

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Test Details for Ordering
Test Vitamin D Home Test Kit (VIT D(25-OH) TEST)
Laboratory City Assays
Price £28.00
Sample required Dried blood spot technology
To order this test, please, go to Ordering Tests.

Please, make sure you have read When not to use this website to ascertain whether having this test is an appropriate and safe course of action for you.

Please note
This is a Home Test Kit. The idea is that this will be done independently of my office and is for patients' own information.


City Assays offer a home test kit for Vitamin D using dried blood spot technology. The work is performed in their NHS Vitamin D laboratory - this laboratory also offers a national Vitamin D service for the NHS in the United Kingdom. Liquid chromatography mass spectrometry is used to measure the Vitamin D in your blood. Measurements of Vitamin D2 and D3 are made and City Assays report the Total and D2 and D3 results with their own interpretation.


  • Request a collection kit by phone using a debit or credit card at the time you order
  • Kits are sent to you by first class post or Airmail
  • Follow the simple instructions and send back using the pre-paid envelope supplied (overseas users need to affix air mail postage)
  • City Assays aim to send you results within 5 working days from the time they receive your sample
  • You receive results as a pdf attached to an email with City Assay's own interpretation


Orders for kits after 1st July 2014: £28 to UK/Ireland, Overseas (please contact the office)


Further details can be found here - City Assays webpage on Vitamin D Home Test Kit