K44.9 ICD-10-CA code: Diaphragmatic hernia without obstruction or gangrene

K44.9 is the ICD-10-CA code for “Diaphragmatic hernia without obstruction or gangrene” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

K44.9

Diaphragmatic hernia without obstruction or gangrene

Short description: Diaph hernia without obs or gangrene

ICD-10-CA · Canada · Also written K449

Index terms

Entries in CIHI’s alphabetical index that lead to K44.9. Searching the index by the condition the note names is how coders reach this code.

  • Saint's triad
  • Triad, Saint's
  • Hernia, hernial (acquired) (recurrent), paraesophageal
  • Hernia, hernial (acquired) (recurrent), esophageal hiatus
  • Hernia, hernial (acquired) (recurrent), diaphragm, diaphragmatic
  • Hernia, hernial (acquired) (recurrent), hiatal (esophageal) (sliding)

Notes for K44.9

As CIHI prints them, with any note K44.9 takes from the headings above it.

Includes

  • Diaphragmatic hernia NOS
  • Hiatus hernia (oesophageal)(sliding)paraoesophageal herniaFrom K44 Diaphragmatic hernia
  • Hernia:• acquired• congenital [except diaphragmatic or hiatus]• recurrentFrom K40-K46 Hernia

Excludes

Conditions classified elsewhere.

  • Congenital hernia:• diaphragmatic (Q79.0)• hiatus (Q40.1)From K44 Diaphragmatic hernia
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)

Note

  • Hernia with both gangrene and obstruction is classified to hernia with gangrene.From K40-K46 Hernia

Where K44.9 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K40-K46Hernia
  3. 3Category K44Diaphragmatic hernia
  4. 4Valid code K44.9Diaphragmatic hernia without obstruction or gangrene

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does ICD-10-CA code K44.9 mean?

K44.9 is the ICD-10-CA code for “Diaphragmatic hernia without obstruction or gangrene” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is K44.9 in ICD-10-CA?

K44.9 sits under K44 Diaphragmatic hernia, within K40-K46 Hernia, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K44.9?

ICD-10-CA lists Includes, Excludes, Note notes for K44.9, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.