SERUM/PLASMA Sodium 134 mmol/L ( 135-145 ) Potassium 3.4 mmol/L ( 3.5-5.5 ) Chloride 97 mmol/L ( 95-110 ) HCO3 27 mmol/L ( 22-30 ) Creatinine 45 umol/L ( 49-90 ) (Creatinine) 0.045 mmol/L ( 0.05-0.09) Urea 3.4 mmol/L ( 2.5-8.3 ) eGFR >90 ( SEE-BELOW) Albumin 31 g/L ( 35-50 ) AP 88 IU/L ( 30-120 ) GGT 51 IU/L ( 10-65 ) ALT 39 IU/L ( <34 ) AST 24 IU/L ( <31 ) Bili Total <5 umol/L ( <19 ) Protein Total 65 g/L ( 65-85 )