Scheme Particulars Indicative Details
Accreditation body UKAS
UKAS Accredited Proficiency Testing Provider No 7860
Number of distributions per year (nominal) 11
Specimens per distribution 3
Frequency of distribution Monthly
Material distributed Pooled, liquid human urine with or without exogenous added analyte
Nominal sample volume (mL) 5
Programme Director(s) / Organiser(s) Finlay MacKenzie
Analyte Approximate Range Default Scheme Units
5HIAA 10 – 100 µmol/24hr
Free Adrenaline 0 – 1.2 µmol/24hr
Free Dopamine 0.5 – 15 µmol/24hr
Free Noradrenaline 0 – 2.5 µmol/24hr
HVA 10 – 100 µmol/24hr
Total 3-methoxytyramine 0 – 10 µmol/24hr
Total Metadrenaline 0 – 100 µmol/24hr
Total Normetadrenaline 0 – 100 µmol/24hr
VMA [HMMA] 10 – 350 µmol/24hr
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