Your serum creatinine is elevated; it is essential to determine whether the cause is Acute Kidney Injury (AKI) or Chronic Kidney Disease (CKD). In your case, it has not been determined yet. A face-to-face nephrology consultation is recommended for a thorough evaluation, including medical history, physical examination, and relevant investigations, to establish the cause and discuss future prospects for kidney disease. Long-standing renal stones can cause scarring of the kidney and subsequent shrinking of the affected kidney. For renal stone, an urology consultation is advised. Stones can be treated with ESWL or URSL. Both procedure are non invasive procedure( without any incision). Urologist can guide you through the pros and cons of each procedure to help determine the most suitable treatment option.