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Normal levels of creatinine in the blood are approximately 0.6 to 1.2 milligrams (mg) per deciliter (dL) in adult males and 0.5 to 1.1 milligrams per deciliter in adult females.reatinine levels that reach 2.0 or more in babies and 10.0 or more in adults may indicate severe kidney impairment and the need for a dialysis machine to remove wastes from the blood.
The normal creatinine level ranges from 0.5 to 1.2 mg/dL, and normal blood urea nitrogen level is between 9 to 20 mg/dL. From the data, we can see that creatinine 11 and urea 200 are both very high. It may indicate that there is something wrong with your kidneys.