What Causes Low Creatinine Levels?


Quick Answer

Low blood creatinine levels can be caused by a diet very low in protein, severe liver disease, a low muscle mass due to a disease or aging, or pregnancy, according to WebMD. Low creatinine clearance levels usually mean severe kidney disease but may also indicate liver or heart disease.

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What Causes Low Creatinine Levels?
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Full Answer

Blood creatinine levels are measured by a simple blood test, according to WebMD. Creatinine clearance tests are more complicated and report the amount of creatinine cleared from the blood via the urine. To calculate a creatinine clearance value, the volume of urine produced in 24 hours needs to measured, as does the urine and blood creatinine levels.

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