<prompt> What are the urinary albumin levels in microalbuminuria ?8-10 mgday30-300 mgday100-150 mgday301-600 mgday  <response>: The normal mean albumin excretion rate AER is 8-10 mgday,. AER of 30 mgday is considered as abnormal. AER between 30 to 300 mgday is called as Microalbuminuria . It is a hallmark of early diabetic nephropathy. Levels greater than 300 mgday are called as macroalbuminuria . Nowdays term microalbuminuria and macroalbuminuria are replaced by moderately and severely increased albuminuria. 