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K20.80 vs K44

K20.80 (Other esophagitis without bleeding) 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. K20.80 carries an Excludes2 note covering K44: “hiatus hernia (K44.-)”

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

Side by side

K20.80Other esophagitis without bleedingK44Diaphragmatic hernia
Billing statusBillableNon-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)
DefinitionOther esophagitis without bleeding is a billable ICD-10-CM diagnosis code (K20.80).Diaphragmatic hernia is a non-billable ICD-10-CM category code (K44).
Includes
Abscess of esophagus
Other esophagitis NOS
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.-)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources