K29.3 ICD-10-CA code: Chronic superficial gastritis
K29.3 is the ICD-10-CA code for “Chronic superficial gastritis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
K29.3Chronic superficial gastritis
ICD-10-CA · Canada · Also written K293
Index terms
Entries in CIHI’s alphabetical index that lead to K29.3. Searching the index by the condition the note names is how coders reach this code.
- Gastritis (simple), superficial chronic
- Gastritis (simple), chronic (antral) (fundal), superficial
Notes for K29.3
As CIHI prints them, with any note K29.3 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Eosinophilic gastritis or gastroenteritis (K52.8)Zollinger-Ellison syndrome (E16.4)From K29 Gastritis and duodenitis
- 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.From K29 Gastritis and duodenitis
Where K29.3 sits
- 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
- 2Block K20-K31Diseases of oesophagus, stomach and duodenum
- 3Category K29Gastritis and duodenitis
- 4Valid code K29.3Chronic superficial gastritis
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 K29.3 mean?
K29.3 is the ICD-10-CA code for “Chronic superficial gastritis” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is K29.3 in ICD-10-CA?
K29.3 sits under K29 Gastritis and duodenitis, within K20-K31 Diseases of oesophagus, stomach and duodenum, within Chapter 11: Diseases of the digestive system (K00-K93).
What coding notes apply to K29.3?
ICD-10-CA lists Note, Excludes notes for K29.3, 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.