K31.3 vs R16
K31.3 (Pylorospasm, not elsewhere classified) compared with R16 (Hepatomegaly and splenomegaly, not elsewhere classified), 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. R16 carries an Excludes2 note covering K31.3: “pylorospasm (K31.3)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| K31.3Pylorospasm, not elsewhere classified | R16Hepatomegaly and splenomegaly, not elsewhere classified | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | K00-K95 — Diseases of the Digestive System (K00-K95) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Pylorospasm, not elsewhere classified is a billable ICD-10-CM diagnosis code (K31.3). | Hepatomegaly and splenomegaly, not elsewhere classified is a non-billable ICD-10-CM category code (R16). |
| Includes | functional disorders of stomach | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources