How is microalbuminuria diagnosed?

Updated: Jul 13, 2021
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
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Normal urine albumin excretion is defined as less than 30 mg daily. Microalbuminuria is defined as 30-300 mg daily (20-200 mcg/min). Because of wide variability among patients, microalbuminuria should be found on at least 2 of 3 samples over 3-6 months. Higher values can be detected by standard protein dipstick screening and are considered macroproteinuria.

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