K37 ICD-10-CM Code: Unspecified 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
K37Unspecified appendicitis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where K37 sits
- 1
Chapter 11
Diseases of the digestive system (K00-K95)
- 2
Section
Diseases of appendix (K35-K38)
- 3
Category K37
Unspecified appendicitis
- 4
Code K37
Unspecified appendicitis
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for K37.
Code first
No “code first” instruction is listed for K37.
Use additional code
No “use additional code” instruction is listed for K37.
Excludes1
Conditions that should not be reported together with this code.
- unspecified appendicitis with peritonitis (K35.2-, K35.3-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for K37.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code K37 mean?
K37 is the FY 2027 U.S. ICD-10-CM code for “Unspecified appendicitis.”
Is K37 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, K37 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 K37 located in ICD-10-CM?
K37 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of appendix (K35-K38) (K35–K38), under category K37, Unspecified appendicitis.
What coding notes are listed for K37?
No inclusion terms are listed for K37 in this reference record. No code-first instruction is listed. Excludes1 notes: unspecified appendicitis with peritonitis (K35.2-, K35.3-). No Excludes2 note is listed.
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