Table 1.

Blood and urinary tests at the onset of proximal tubular acidosis

Blood		Urine (spot)
Creatinine	0.32 mg/dl	β2 microglobuline	> 50,000 ng/ml
Sodium	135 mEq/l (135–145)	Sodium	51 mEq/l
Potassium	2.49 mEq/l (3.5–5.1)	Potassium	27 mEq/l
Chloride	109 mEq/l (98–110)	Chloride	53 mEq/l
Calcium	9.59 mg/dl (8.5–10.5)	Calcium/Creatinine	0.39 mg/g (< 0.2)
Phosphate	1.31 mg/dl (3.96–6.13)	Glucose	5.98 g/dl
Bicarbonates	19 mEq/l (22–26)	Proteins/Creatinine	4682 mg/g (< 200)
pH	7.35	pH	4.5
Anion Gap	9.49 mEq/l	Anion Gap	25 mEq/l