Test guide
Microalbumin Creatinine Ratio
A microalbumin creatinine ratio urine test checks the levels of the protein albumin in your urine (pee). Abnormal amounts of this protein may be an early sign of kidney disease .
What it is for
A microalbumin creatinine ratio test is most often used to look for signs of kidney disease in people who have a high risk of developing it but don't have symptoms. You're more likely to develop kidney disease if you: A microalbumin creatinine ratio test may be used to monitor your kidneys if you have been diagnosed with kidney disease. It can also help your provider see how well any treatment for kidney disease is working. Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Limitations
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also known as
- albumin-creatinine ratio
- urine albumin
- microalbumin, urine
- ACR
- UACR
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