K36 ICD-10-CA code: Other appendicitis

K36 is the ICD-10-CA code for “Other appendicitis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

K36

Other appendicitis

ICD-10-CA · Canada

Index terms

Entries in CIHI’s alphabetical index that lead to K36. Searching the index by the condition the note names is how coders reach this code.

  • Appendicitis, interval
  • Appendicitis, recurrent
  • Appendicitis, obstructive
  • Appendicitis, chronic (recurrent)
  • Appendicitis, subacute (adhesive)
  • Appendicitis, healed (obliterative)

Notes for K36

As CIHI prints them, with any note K36 takes from the headings above it.

Includes

  • Appendicitis:• chronic• recurrent

Excludes

Conditions classified elsewhere.

  • 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 K36 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K35-K38Diseases of appendix
  3. 3Valid code K36Other appendicitis

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 K36 mean?

K36 is the ICD-10-CA code for “Other appendicitis” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is K36 in ICD-10-CA?

K36 sits under K35-K38 Diseases of appendix, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K36?

ICD-10-CA lists Includes, Excludes notes for K36, 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.