K23.1 ICD-10-CA code: Megaoesophagus in Chagas' disease
K23.1 is the ICD-10-CA code for “Megaoesophagus in Chagas' disease” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
K23.1Megaoesophagus in Chagas' disease
ICD-10-CA · Canada · Also written K231
Notes for K23.1
As CIHI prints them, with any note K23.1 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- 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)
Where K23.1 sits
- 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
- 2Block K20-K31Diseases of oesophagus, stomach and duodenum
- 3Category K23Disorders of oesophagus in diseases classified elsewhere
- 4Valid code K23.1Megaoesophagus in Chagas' disease
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 K23.1 mean?
K23.1 is the ICD-10-CA code for “Megaoesophagus in Chagas' disease” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is K23.1 in ICD-10-CA?
K23.1 sits under K23 Disorders of oesophagus in diseases classified elsewhere, within K20-K31 Diseases of oesophagus, stomach and duodenum, within Chapter 11: Diseases of the digestive system (K00-K93).
What coding notes apply to K23.1?
ICD-10-CA lists Excludes notes for K23.1, 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.