Recently I have done my kft report as routine check up I saw my serum creatinine level is high it's 1.44 .that why doctor suggests me to have routine urine test the report is normal I also too urine acr test my acr ratio is 7.8 also. Then I got my creatinine clearance it's 137 ml/min also normal then why my blood creatinine is high.in my kft report except creatinine everything is normal including urea potassium sodium. please help to get some knowledge.