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Our Health Library information does not replace the advice of a doctor. Please be advised that this information is made available to assist our patients to learn more about their health. Our providers may not see and/or treat all topics found herein.

Milligrams (mg)

Some medical tests report results in milligrams (mg). A milligram is one-thousandth of a gram. A gram is about 1/30 of an ounce.