Specimen Name Result Units Range
Plasma Sodium 133 mmol/L (135-145)
Potassium 7.6 mmol/L (3.5-5.5)
Chloride 97 mmol/L (100-109)
Bicarbonate 22 mmol/L (22-32)
Glucose 3.2 mmol/L (3.8-5.5)
Urea 8.3 mmol/L (2.7-7.2)
Creatinine 130 μmol/L (60-110)
Phosphate 5.00 mmol/L (0.80-1.45)
Total Calcium 2.41 mmol/L (2.10-2.55)

6yo child admitted for elective hernia repair.
Delayed Assay

24 hours between sample and analysis

  • Low : Na+, glucose, HCO3-
  • High : K+, PO4

Addison's possible but repeat analysis would disprove.