Urine

Amino acids — 200-400 mg/24 h (14-29 nmol/24 h)

Amylase — 6.5-48.1 U/h

Calcium — 100-300 mg/d (2.5-7.5 mmol/d) on unrestricted diet

Chloride — 80-250 meq/d (80-250 mmol/d) (varies with intake)

Copper — 0-100 µg/24 h (0-1.6 µmol/d)

Coproporphyrin — 50-250 µg/24 h (76-382 nmol/d)

Creatine — Male: 4-40 mg/24 h (30-305 mmol/24 h); female: 0-100 mg/24 h (0-763 mmol/24 h)

Creatinine — 15-25 mg/kg per 24 h (133-221 mmol/kg per 24 h)

Creatinine clearance — 90-140 mL/min (0.09-0.14 L/min)

5-hydroxyindoleacetic acid (5-HIAA) — 2-9 mg/24 h (10.4-46.8 µmol/d)

Osmolality — 38-1400 mosm/kg H₂O

Phosphate, tubular resorption — 79%-94% (0.79-0.94) of filtered load

Potassium — 25-100 meq/24 h (25-100 mmol/24 h) (varies with intake)

Protein — Less than 100 mg/24 h

Sodium — 100-260 meq/24 h (100-260 mmol/24 h) (varies with intake)

Uric acid — 250-750 mg/24 h (1.48-4.43 mmol/24 h) (varies with diet)

Urobilinogen — 0.05-2.5 mg/24 h (0.08-4.22 µmol/24 h)

From MKSAP 12 ©2000, 2001, 2002. American College of Physicians—American Society of Internal Medicine