Scheme Particulars Indicative Details
Accreditation body UKAS
UKAS Accredited Proficiency Testing Provider No 7860
Number of distributions per year (nominal) 11
Specimens per distribution 2
Frequency of distribution Monthly
Material distributed Pooled, liquid human serum with or without exogenous added analyte
Nominal sample volume (mL) 1
Programme Director(s) / Organiser(s) Finlay MacKenzie
Analyte Approximate Range Default Scheme Units
Albumin 32 – 45 g/L
ALP [Alk Phos] 40 – 1000 U/L
ALT [ALAT] 8 – 220 U/L
Amylase 30 – 750 U/L
AST [ASAT] 15 – 250 U/L
Bilirubin 5 – 50 µmol/L
Calcium 1.5 – 3 mmol/L
Chloride 90 – 140 mmol/L
Creatinine 50 – 650 µmol/L
GGT 15 – 700 U/L
Glucose 2.5 – 35 mmol/L
HDL cholesterol 0.6 – 2 mmol/L
Lactate 0.5 – 10 mmol/L
Magnesium 0.4 – 1.8 mmol/L
Phosphate 0 – 2 mmol/L
Potassium 2 – 10 mmol/L
Sodium 115 – 185 mmol/L
Total cholesterol 2.5 – 7.5 mmol/L
Total protein 45 – 75 g/L
Triglyceride 0.5 – 3.5 mmol/L
Urate 180 – 550 µmol/L
Urea 3.5 – 35 mmol/L
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