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K44.9 — Diaphragmatic hernia without obstruction or gangrene
K44.9
What this code means
A diaphragmatic (hiatus) hernia is when part of the stomach slides up through the diaphragm into the chest, without obstruction or gangrene.
Also called: hiatus hernia, diaphragmatic hernia, hiatal hernia.
When this code is used
Used for diaphragmatic hernia without obstruction or gangrene.
Where it sits in ICD-10-CM
Code K44.9 belongs to Chapter 11: Diseases of the digestive system, which covers codes K00–K95 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Learn more about this condition
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code K44.9?
K44.9 is the ICD-10-CM diagnosis code for “Diaphragmatic hernia without obstruction or gangrene”. A diaphragmatic (hiatus) hernia is when part of the stomach slides up through the diaphragm into the chest, without obstruction or gangrene.
When is code K44.9 used?
Used for diaphragmatic hernia without obstruction or gangrene. It belongs to Chapter 11 of ICD-10-CM (Diseases of the digestive system).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.