Single sample, urine albumin/creatinine ratio (ACR, mg/mmol)* | Timed overnight collection, urine albumin (µg/min) | 24-hour collection, urine albumin (mg/24 hours) | Chemical screening of urine (albumin) | |
---|---|---|---|---|
* Reference values vary between laboratories. The ranges allow for inaccuracy related to the sample or the assay methods. | ||||
Normal | <3 | <20 | <30 | - |
Moderately increased albuminuria | 3-30 | 20-200 | 30-300 | - |
Severely increased albuminuria (proteinuria) | >30 | >200 | >300 | 1+ - 2+ |
Nephrotic-range proteinuria | >180 | >1 200 | >3 000 | 3+ |