Athscl native cor art of transplanted heart w unsp ang pctrs

This code signifies the presence of atherosclerosis in the native coronary arteries of a heart that has been surgically transplanted into a recipient. The patient is experiencing angina pectoris, but the specific type or cause of the angina is not documented. This indicates a complication related to the transplanted organ's vascular health.

Apply this code when documentation explicitly states atherosclerosis affecting the native coronary arteries of a transplanted heart, and the patient presents with angina pectoris of an unspecified nature. This code is appropriate when the physician has not further specified the type of angina (e.g., stable, unstable, variant). Documentation should clearly indicate the presence of a transplanted heart and the diagnosis of atherosclerosis within its native coronary arteries.

• Ensure documentation specifies "native coronary artery" of the transplanted heart, not the transplanted coronary arteries themselves.
• This code requires documentation of "unspecified angina pectoris"; if the type of angina is specified, a more precise code should be used.
• Always sequence this code after the transplant status code (e.g., Z94.1 for heart transplant status).