K44 Diaphragmatic hernia

Category / Non-billable header 3 subcodes

Block: Hernia (K40-K46)

Includes

  • hiatus hernia (esophageal) (sliding)
  • paraesophageal hernia

Excludes 1 (cannot be coded together)

  • congenital diaphragmatic hernia (Q79.0)
  • congenital hiatus hernia (Q40.1)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K44..0 Diaphragmatic hernia with obstruction, without gangrene Yes
K44..1 Diaphragmatic hernia with gangrene Yes
K44..9 Diaphragmatic hernia without obstruction or gangrene Yes

Last reviewed: September 2026