In simple words: Hardening of the heart's arteries causing chest pain.

Atherosclerotic heart disease affecting the native coronary artery, characterized by angina pectoris (chest pain).

Example 1: A 55-year-old male presents with chest pain radiating to the left arm, diagnosed as angina pectoris due to atherosclerotic heart disease of the native coronary artery. , A 62-year-old female with a history of high cholesterol experiences stable angina during exercise, confirmed by EKG changes. This is attributed to atherosclerotic heart disease of the native coronary artery., A patient who underwent a heart transplant several years prior is now experiencing angina. They would be coded under I25.7, which includes angina related to transplanted hearts.

Documentation of angina pectoris symptoms, diagnostic test results (e.g., EKG, angiography), and evidence of atherosclerosis in the native coronary arteries.

** Excludes certain conditions originating in the perinatal period (P04-P96), certain infectious and parasitic diseases (A00-B99), complications of pregnancy, childbirth and the puerperium (O00-O9A), congenital malformations (Q00-Q99), endocrine, nutritional and metabolic diseases (E00-E88), injury, poisoning (S00-T88), neoplasms (C00-D49), symptoms, signs and abnormal clinical and laboratory findings (R00-R94), systemic connective tissue disorders (M30-M36), and transient cerebral ischemic attacks and related syndromes (G45.-).