G11.3 vs Q87.19
G11.3 (Cerebellar ataxia with defective DNA repair) compared with Q87.19 (Other congenital malformation syndromes predominantly associated with short stature), 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. G11.3 carries an Excludes2 note covering Q87.19: “Cockayne's syndrome (Q87.19)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| G11.3Cerebellar ataxia with defective DNA repair | Q87.19Other congenital malformation syndromes predominantly associated with short stature | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Cerebellar ataxia with defective DNA repair is a billable ICD-10-CM diagnosis code (G11.3). | Other congenital malformation syndromes predominantly associated with short stature is a billable ICD-10-CM diagnosis code (Q87.19). |
| Includes | Ataxia telangiectasia [Louis-Bar] | Aarskog syndrome Cockayne syndrome De Lange syndrome Dubowitz syndrome |
| Use additional code | — | code(s) to identify all associated manifestations |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources