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Urea may be used in a panel of tests: monitor patients with kidney failure or those receiving dialysis.
* when someone has non-specific illness,
* as part of a routine testing panel, or
* to check how the kidneys are functioning before starting to take certain drugs.
Urea is often ordered with creatinine:
* if kidney problems are suspected,
* to monitor treatment of kidney disease, or
* to monitor kidney function while someone is on certain drugs.