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Author Topic: How to measure microalbumin

Posts: 219
Post How to measure microalbumin
on: June 9, 2011, 13:11

Is there a standard (preferred or accepted) formula for calculating spot microalbuminuria?

Endocrinology Fellow


Posts: 219
Post Re: How to measure microalbumin
on: June 9, 2011, 13:18

Most nephrologists calculate microalbuminuria in the following way:

spot urine albumin (in mg/dl) divided by spot urine creatinine (in G/dl)

The resulting value is mg of albumin per gram of creatinine. Studies have shown that this ratio is approximately the same as mg of albumin per day (the Pearson correlation coefficient is about 0.92).

Keep in mind that the microalbumin is a validated marker of diabetic kidney disease. For all other kidney diseases, you might want to use the protein-creatinine ratio.

Here are 3 additional teaching resources, including a journal club slide show for extra review.

Nephrology Attending

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