I72 vs Q28.1
I72 (Other aneurysm) compared with Q28.1 (Other malformations of precerebral vessels), 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 Q28.1: “dissection of precerebral artery, congenital (nonruptured) (Q28.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. I72 carries an Excludes2 note covering Q28.1: “precerebral artery, congential (nonruptured) (Q28.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| I72Other aneurysm | Q28.1Other malformations of precerebral vessels | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Other aneurysm is a non-billable ICD-10-CM category code (I72). | Other malformations of precerebral vessels is a billable ICD-10-CM diagnosis code (Q28.1). |
| Includes | aneurysm (cirsoid) (false) (ruptured) | Congenital malformation of precerebral vessels NOS Congenital precerebral aneurysm (nonruptured) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources