Vitamin D Blood Spot


This is a new service based on an assay for measuring 25-hydroxyvitamin D in whole blood dried onto a blood spot.

To order test packs go to


  • The results have been aligned with our serum/plasma standardisation so that results can be directly compared with conventional vitamin D reference ranges.
  • Ideal for paediatric sampling and many new innovative areas including direct to the public vitamin D analysis.



 Vitamin D Blood Spot


Clinical Biochemistry, City Hospital Birmingham

Specimen Type:

Capillary blood dropped onto an appropriate device with either Ahlstrom 226 or Whatman 903 collection paper.


Room temperature

Posting Details:

First class post

Posting Address:

Clinical Biochemistry Department, City Hospital, Dudley Road, Birmingham B18 7QH

Clinical Use:

To help assess patient Vitamin D status


No need for a phlebotomist. Assay aligned with serum results.


PDF results emailed - within 5 working days of sample reciept

External QA Scheme:

Yes - Our laboratory is in DEQAS

CPA Accredited Lab/Test:



 Key Contact points:



To order a test pack visit:


  SWBH NHS Trust 2018