Q14.1 vs Q28
Q14.1 (Congenital malformation of retina) compared with Q28 (Other congenital malformations of circulatory system), 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. Q28 carries an Excludes2 note covering Q14.1: “congenital retinal aneurysm (Q14.1)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Q14.1Congenital malformation of retina | Q28Other congenital malformations of circulatory system | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Congenital malformation of retina is a billable ICD-10-CM diagnosis code (Q14.1). | Other congenital malformations of circulatory system is a non-billable ICD-10-CM category code (Q28). |
| Includes | Congenital retinal aneurysm | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources