K44.1 Diaphragmatic hernia with gangrene

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

• Gangrenous diaphragmatic hernia

Applies from K44 Diaphragmatic hernia

Includes

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

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 551.3 Diaphragmatic hernia with gangrene

Code annotations containing back-references to K44.1

Back-references to K44.1

• Type 1 Excludes: I96 Gangrene, not elsewhere classified ("gangrene in hernia (K40.1, K40.4, K41.1, K41.4, K42.1, K43.1-, K44.1, K45.1, K46.1)")

Back-references to K44

• Type 2 Excludes: J98.6 Disorders of diaphragm ("diaphragmatic hernia (K44.-)")
• Type 2 Excludes: K56.7 Ileus, unspecified ("intestinal obstruction with hernia (K40-K46)")

Diagnosis Index entries for K44.1

• Hernia, hernial (acquired) (recurrent) › diaphragm, diaphragmatic › with › gangrene (and obstruction)
• Hernia, hernial (acquired) (recurrent) › hiatal (esophageal) (sliding) › with › gangrene (and obstruction)

Nearby codes

• K44 Diaphragmatic hernia
• K44.0 Diaphragmatic hernia with obstruction, without gangrene
• K44.1 Diaphragmatic hernia with gangrene (this code)
• K44.9 Diaphragmatic hernia without obstruction or gangrene