ESWL was performed on Mrs. Wilson's left kidney 1 week ago; now ESWL is being performed on her right kidney. She has 4 stones being removed today: 2 in the renal pelvis and 2 in the calyx. Under local anesthesia, the ESWL is performed and all 4 stones are successfully destroyed. Select the appropriate CPT and ICD-10-CM codes.

Question

Quizplus · Accepted Answer

The correct CPT code for extracorporeal shock wave lithotripsy (ESWL) is 50590. The modifier RT indicates the right side. The modifier 58 is used for a staged or related procedure during the postoperative period. The ICD-10-CM code N20.0 is for kidney stones.

ESWL Was Performed on Mrs