K42 ICD-10-CM Code: Umbilical hernia
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
K42Umbilical hernia
ICD-10-CM diagnosis code · United States clinical modification
Where K42 sits
- 1
Chapter 11
Diseases of the digestive system (K00-K95)
- 2
Section
Hernia (K40-K46)
- 3
Category K42
Umbilical hernia
- 4
Code K42
Umbilical hernia
Codes under K42
K42 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for K42.
Code first
No “code first” instruction is listed for K42.
Use additional code
No “use additional code” instruction is listed for K42.
Excludes1
Conditions that should not be reported together with this code.
- omphalocele (Q79.2)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for K42.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
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.
Frequently asked questions
What does ICD-10-CM code K42 mean?
K42 is the FY 2027 U.S. ICD-10-CM code for “Umbilical hernia.”
Is K42 a billable or specific ICD-10-CM code?
No. K42 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is K42 located in ICD-10-CM?
K42 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Hernia (K40-K46) (K40–K46), under category K42, Umbilical hernia.
What coding notes are listed for K42?
No inclusion terms are listed for K42 in this reference record. No code-first instruction is listed. Excludes1 notes: omphalocele (Q79.2). No Excludes2 note is listed.