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urine
Albumin-to-Creatinine Ratio (Spot)
ACR· also: Urine ACR, Albumin/Creatinine Ratio, UACR
Clinical Overview
ACR is the preferred test to detect early diabetic kidney disease (microalbuminuria). It corrects for urine concentration. Persistently elevated ACR is an independent risk factor for cardiovascular events and kidney disease progression.
Reference RangesWHO/IFCC standards
| Reference Range | Unit | Notes |
|---|---|---|
| 0 – 30 | mg/g | Normal (A1) |
| 30 – 300 | mg/g | Microalbuminuria (A2) |
| 300 – 9999 | mg/g | Macroalbuminuria (A3) |
Also reported in: mg/mmol.
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Related Topics
diabetesCKDkidneymicroalbuminuria