I25.42 vs I72
I25.42 (Coronary artery dissection) compared with I72 (Other aneurysm), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. I72 carries an Excludes2 note covering I25.42: “coronary aneurysm (I25.4)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. I72 carries an Excludes2 note covering I25.42: “coronary artery dissection (I25.42)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| I25.42Coronary artery dissection | I72Other aneurysm | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Coronary artery dissection is a billable ICD-10-CM diagnosis code (I25.42). | Other aneurysm is a non-billable ICD-10-CM category code (I72). |
| Includes | — | aneurysm (cirsoid) (false) (ruptured) |
| Use additional code | code to identify: chronic total occlusion of coronary artery (I25.82) exposure to environmental tobacco smoke (Z77.22) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources