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K25 vs K44

K25 (Gastric ulcer) compared with K44 (Diaphragmatic hernia), 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. K25 carries an Excludes2 note covering K44: “hiatus hernia (K44.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

K25Gastric ulcerK44Diaphragmatic hernia
Billing statusNon-billable header

Report instead: K25.0, K25.1, K25.2, K25.3, K25.4

Non-billable header

Report instead: K44.0, K44.1, K44.9

ClassificationK00-K95 — Diseases of the Digestive System (K00-K95)K00-K95 — Diseases of the Digestive System (K00-K95)
DefinitionGastric ulcer is a non-billable ICD-10-CM category code (K25).Diaphragmatic hernia is a non-billable ICD-10-CM category code (K44).
Includes
erosion (acute) of stomach
pylorus ulcer (peptic)
stomach ulcer (peptic)
hiatus hernia (esophageal) (sliding)
paraesophageal hernia
acquired hernia
congenital [except diaphragmatic or hiatus] hernia
Use additional code
code to identify:
alcohol abuse and dependence (F10.-)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources