There will be no charge to participants for distributions circulated from June 2017 until December 2017. There is no obligation for participants to continue with the programme from January 2018 onwards.

Scheme Particulars Indicative Details
Accreditation body UKAS
UKAS Accredited Proficiency Testing Provider No 7860
Number of distributions per year (nominal) 12
Specimens per distribution 3
Frequency of distribution Monthly
Material distributed Human Serum
Sample volume (mL) 0.5
Programme Director(s) / Organiser(s) Jane French (acting)
Analyte Approximate Range Default Scheme Units
Total 25 Hydroxyvitamin D 0 – 250 nmol/L
25 Hydroxyvitamin D2 0 – 250 nmol/L
25 Hydroxyvitamin D3 0 – 250 nmol/L

Please use the sign up form to register your interest in this scheme (quoting your UK NEQAS Laboratory ID where available). We would encourage you to provide us with details of which analytes you measure and the analyser and ‘kit’ (reagent and calibrator) you are using. This will help us tailor the scheme to your needs.

  • Download current UK charges list 287 KB
  • Download current Europe charges list 287 KB
  • Download current Overseas charges list 287 KB
  • Download Vitamin D 2019 schedule 38 KB
  • Download Vitamin D example report 1.19 KB

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