K40 ICD-10-CM Code: Inguinal hernia
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
K40Inguinal hernia
ICD-10-CM diagnosis code · United States clinical modification
Where K40 sits
- 1
Chapter 11
Diseases of the digestive system (K00-K95)
- 2
Section
Hernia (K40-K46)
- 3
Category K40
Inguinal hernia
- 4
Code K40
Inguinal hernia
Codes under K40
K40 is a non-billable category. Choose the child code that best matches the documented diagnosis.
K40.0Bilateral inguinal hernia, with obstruction, without gangreneK40.1Bilateral inguinal hernia, with gangreneK40.2Bilateral inguinal hernia, without obstruction or gangreneK40.3Unilateral inguinal hernia, with obstruction, without gangreneK40.4Unilateral inguinal hernia, with gangreneK40.9Unilateral inguinal hernia, without obstruction or gangreneNotes for this code
Inclusion terms
No inclusion terms are listed for K40.
Code first
No “code first” instruction is listed for K40.
Use additional code
No “use additional code” instruction is listed for K40.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for K40.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for K40.
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 K40 mean?
K40 is the FY 2027 U.S. ICD-10-CM code for “Inguinal hernia.”
Is K40 a billable or specific ICD-10-CM code?
No. K40 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 K40 located in ICD-10-CM?
K40 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Hernia (K40-K46) (K40–K46), under category K40, Inguinal hernia.
What coding notes are listed for K40?
No inclusion terms are listed for K40 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.