Specimen Name Result Units Range

Plasma Sodium 122 mmol/L (135-145)
Potassium 6.2 mmol/L (3.5-5.5)
Chloride 88 mmol/L (100-109)
Bicarbonate 17 mmol/L (22-32)
Glucose 4.5 mmol/L (3.8-5.5)
Urea 12.0 mmol/L (2.7-7.2)
Creatinine 150 μmol/L (60-110)
Osmolality 273 mmol/kg (275-295)

Urine Sodium 30 mmol/L (> 20)
Osmolality 350 mmol/kg

61yo female with gradual onset of weakness & general malaise.