U.S. ICD-10-CM · FY 2027

K36 ICD-10-CM Code: Other appendicitis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

K36

Other appendicitis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where K36 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Diseases of appendix (K35-K38)

  3. 3

    Category K36

    Other appendicitis

  4. 4

    Code K36

    Other appendicitis

Documentation details

Notes for this code

Inclusion terms

  • Chronic appendicitis
  • Recurrent appendicitis

Code first

No “code first” instruction is listed for K36.

Use additional code

No “use additional code” instruction is listed for K36.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for K36.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for K36.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code K36 mean?

K36 is the FY 2027 U.S. ICD-10-CM code for “Other appendicitis.”

Is K36 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, K36 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is K36 located in ICD-10-CM?

K36 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of appendix (K35-K38) (K35–K38), under category K36, Other appendicitis.

What coding notes are listed for K36?

Its listed inclusion terms are Chronic appendicitis; Recurrent appendicitis. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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