K29 ICD-10-CA category: Gastritis and duodenitis

K29 isn’t a code on its own. Choose one of the 10 codes beneath it, the one the documentation supports.

Official description

K29

Gastritis and duodenitis

ICD-10-CA · Canada

Codes in K29

K29 isn’t a code on its own. Open the code that matches what the note documents.

Notes for K29

As CIHI prints them, with any note K29 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Eosinophilic gastritis or gastroenteritis (K52.8)Zollinger-Ellison syndrome (E16.4)
  • Hiatus hernia (K44.-)From K20-K31 Diseases of oesophagus, stomach and duodenum
  • 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

  • Use additional:• code to identify Helicobacter Pylori (B98.0) if present.• external cause code (Chapter XX) to identify if drug induced.

Where K29 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K20-K31Diseases of oesophagus, stomach and duodenum
  3. 3Category K29Gastritis and duodenitis

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

Is K29 a valid ICD-10-CA code?

No. K29 (Gastritis and duodenitis) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 10 codes; record the one the documentation supports.

Where is K29 in ICD-10-CA?

K29 sits under K20-K31 Diseases of oesophagus, stomach and duodenum, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K29?

ICD-10-CA lists Note, Excludes notes for K29, 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.