Diaphragmatic hernia (K44) ICD-10-CM
The K44 code range covers diaphragmatic hernia with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- hiatus hernia (esophageal) (sliding)
- paraesophageal hernia
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the K44 Range 4 codes · 3 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the K44 range.
Hernia, Diaphragmatic
Protrusion of abdominal structures into the THORAX as a result of congenital or traumatic defects in the respiratory DIAPHRAGM.
About the K44 Code Range
A diaphragmatic hernia occurs when structures from the abdomen protrude into the chest through a defect in the diaphragm. The defect is present at birth or caused by injury.
K44.0 identifies obstruction (blockage) without gangrene (dead tissue). K44.1 identifies gangrene. K44.9 identifies a hernia without obstruction or gangrene.
Questions About This Page
How many billable codes are in the K44 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the K44 range classify?
The range classifies diaphragmatic hernia. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
