K46.1 Unspecified abdominal hernia with gangrene

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

Applicable to

• Any condition listed under K46 specified as gangrenous

Applies from K46 Unspecified abdominal hernia

Includes

• enterocele
• epiplocele
• hernia NOS
• interstitial hernia
• intestinal hernia
• intra-abdominal hernia

Excludes1 (never code together)

• vaginal enterocele (N81.5)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 551.9 Hernia of unspecified site, with gangrene

Code annotations containing back-references to K46.1

Back-references to K46.1

• 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 K46

• Type 2 Excludes: K56.7 Ileus, unspecified ("intestinal obstruction with hernia (K40-K46)")

Diagnosis Index entries for K46.1

• Hernia, hernial (acquired) (recurrent) › abdomen, abdominal › with › gangrene (and obstruction)
• Incarceration, incarcerated › enterocele › gangrenous
• Incarceration, incarcerated › epiplocele › gangrenous
• Incarceration, incarcerated › sarcoepiplocele › gangrenous

Nearby codes

• K46 Unspecified abdominal hernia
• K46.0 Unspecified abdominal hernia with obstruction, without gangrene
• K46.1 Unspecified abdominal hernia with gangrene (this code)
• K46.9 Unspecified abdominal hernia without obstruction or gangrene