I cannot make a diagnosis of chronic kidney disease (CKD) based on the information that you present. You should also have urine testing for blood, protein or infection in the urine to determine if you could have CKD. People who have a very large muscle mass can have an elevated serum creatinine and it may not reflect CKD. The more muscle mass there is, the more creatinine is generated by the muscles and the higher the serum creatinine. If your urine is normal, then I cannot make a diagnosis of CKD.