Scheme Particulars Indicative Details
Accreditation body UKAS
UKAS Accredited Proficiency Testing Provider No 7860
Number of distributions per year (nominal) 24
Specimens per distribution 3
Frequency of distribution Fortnightly / Two weekly
Material distributed Human serum
Sample volume (mL) 2
Programme Director(s) / Organiser(s) Finlay MacKenzie
Analyte Approximate Range Default Scheme Units
Sodium 115 – 185 mmol/L
Potassium 2 – 10 mmol/L
Chloride 90 – 140 mmol/L
Bicarbonate 3 – 35 mmol/L
Urea 1 – 50 mmol/L
Creatinine 30 – 450 µmol/L
Urate 96 – 700 µmol/L
Glucose 1.8 – 32 mmol/L
Lactate 0.5 – 10 mmol/L
Calcium 1.0 – 4.0 mmol/L
Adjusted Calcium 0.8 – 4.0 mmol/L
Phosphate 0 – 2.0 mmol/L
Bilirubin 0 – 240 µmol/L
D-3-hydroxybutyrate 30 – 1200 µmol/L
Iron 2 – 24 µmol/L
UIBC 20 – 90 µmol/L
TIBC 20 – 90 µmol/L
Total protein 48 – 100 g/L
Albumin 32 – 58 g/L
Lithium 0 – 1.3 mmol/L
Magnesium 0.4 – 1.8 mmol/L
Copper 0 – 30 µmol/L
Zinc 4 – 32 µmol/L
Osmolality 260 – 480 mmol/kg
AST [ASAT] 10 – 100 U/L
ALT [ALAT] 5 – 80 U/L
LD 75 – 500 U/L
CK 4 – 360 U/L
ALP [Alk Phos] 20 – 440 U/L
Amylase 40 – 600 U/L
GGT 12 – 500 U/L
Lipase 40 – 650 U/L
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