I25.82
Chronic total occlusion of coronary artery
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 13 never code together
I25.82code
Excludes1
- acute coronary occlusion with myocardial infarction (I21.0-I21.B, I22.-)I21.0-I21.BI22.-
- acute coronary occlusion without myocardial infarction (I24.0)I24.0
I00-I99chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- systemic connective tissue disorders (M30-M36)M30-M36
- transient cerebral ischemic attacks and related syndromes (G45.-)G45.-
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Index entries leading here 1
- Occlusion, occluded
- artery I70.9
- coronary (artery) (vein) (thrombotic) — see also Infarct, myocardium
Alongside this code 5 same parent — I25.8
I25.81 Atherosclerosis of oth coronary vessels w/o angina pectoris category I25.83 Coronary atherosclerosis due to lipid rich plaque I25.84 Coronary atherosclerosis due to calcified coronary lesion I25.85 Chronic coronary microvascular dysfunction I25.89 Other forms of chronic ischemic heart disease
Medications 2
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.