Table 3

Classification of urinary albumin and protein concentration

Classification

Urine albumin:creatinine ratio

(mg/mmol)

Urine protein:creatinine ratio

(mg/mmol)

24 hour urine microalbumin

(mg/day)

24 hour urine protein

(mg/day)

Urine dipstick

Normal

≤ 2.5 men

≤ 3.5 women

< 15

≤ 30.0

< 150.0

Negative

Microalbuminuria/Minimal proteinuria

2.6-29.9 men

3.6-29.9 women

15.0-49.9

31.0-299.9

150.0-299.9

Trace

Macroalbuminuria/Proteinuria

30.0-69.9

50.0-99.9

300.0-699.9

300.0-999.9

1⁺

Heavy macroalbuminuria/Heavy proteinuria

70.0-315.9

100.0-450.9

700.0-2449.9

1000.0-3499.9

2⁺

Nephrotic range

> = 316

≥ 451.0

≥ 2450.0

≥ 3500.0

3⁺

Adapted from Lamb EJ et al [9].

Hemmelgarn et al. BMC Nephrology 2009 10:30   doi:10.1186/1471-2369-10-30