Physiology Normal creatinine level is: A 0.8 - 1.2 mg/dL B 1.0 - 2.0 mg/dL C 2.2 - 3.0 mg/dL D 3.0 - 3.8 mg/dL 💡 Explanation Normal creatinine level is: ✓ Correct Answer: A. 0.8 - 1.2 mg/dL