Q40.0 vs R11
Q40.0 (Congenital hypertrophic pyloric stenosis) compared with R11 (Nausea and vomiting), 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. R11 carries an Excludes2 note covering Q40.0: “congenital or infantile pylorospasm (Q40.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| Q40.0Congenital hypertrophic pyloric stenosis | R11Nausea and vomiting | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Congenital hypertrophic pyloric stenosis is a billable ICD-10-CM diagnosis code (Q40.0). | Nausea and vomiting is a non-billable ICD-10-CM category code (R11). |
| Includes | Congenital constriction Congenital hypertrophy Congenital spasm Congenital stenosis | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources