Urea 6.0 mmol/L (normal range 3.0-8.0 mmol/L)

Creatinine 78 µmol/L (normal range 50-95 µmol/L for adult females)

Sodium 141 mmol/L (normal range 134-146 mmol/L)

K 3.8 mmol/L (normal range 3.4-5.0 mmol/L)

There is no evidence of renal failure or disordered potassium regulation, although calculation of the glomerular filtration rate would be recommended.