What are the correct diagnosis and procedure codes for nephrolithotomy with calculus removal for nephrolithiasis?

The correct diagnosis code for nephrolithiasis is typically N20.0 for calculus of the kidney. The procedure code for nephrolithotomy with calculus removal is commonly 50060 (percutaneous nephrolithotomy) or 50550 (nephrolithotomy). However, specific coding may vary based on the details of the procedure and the coding system used (such as ICD-10 for diagnosis and CPT for procedures), so it's essential to consult the latest coding guidelines for accuracy.