Creatinine Clearance
Alternate Names : GFR, Glomerular Filtration Rate
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Special Considerations
Factors that may interfere with with test are as follows:
- Incomplete urine collection
- Pregnancy or vigorous exercise may increase results
Drugs that can interfere with creatinine clearance measurements include: cimetidine, trimethoprim, and nephrotoxic drugs, such as cephalosporins (e.g., cefoxitin).
Veins and arteries vary in size from one patient to another and from one side of the body to the other. Obtaining a blood sample from some people may be more difficult than from others.
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