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Generally speaking, normal creatinine level ranges from 0.5 to 1.1 mg/dl for female and 0.6 to 1.2 mg/dl for male. It is possible that the normal creatinine level for people with only one kidney is a little higher.
When GFR is over 60. GFR over 90mls/min/1.73m 2 is normal unless there is other evidence of kidney disease, in which case CKD is stage 1.Other evidence of kidney disease may include: 1  Proteinuria or haematuria.FR over 90mls/min/1.73m 2 is normal unless there is other evidence of kidney disease, in which case CKD is stage 1. Other evidence of kidney disease may include: