K40.3Header code — not billable
Unilateral inguinal hernia, with obstruction, without gangrene
Short description: Unilateral inguinal hernia, with obstruction, w/o gangrene
- Chapter
- 11. Diseases of the digestive system
- Category
- K40
- Effective date
- October 1, 2026
Related codes in category K40
K40Inguinal herniaK40.0Bilateral inguinal hernia, with obstruction, w/o gangreneK40.00Bi inguinal hernia, w obst, w/o gangrene, not spcf as recurYesK40.01Bilateral inguinal hernia, w obst, w/o gangrene, recurrentYesK40.1Bilateral inguinal hernia, with gangreneK40.10Bi inguinal hernia, w gangrene, not specified as recurrentYesK40.11Bilateral inguinal hernia, with gangrene, recurrentYesK40.2Bilateral inguinal hernia, without obstruction or gangreneK40.20Bi inguinal hernia, w/o obst or gangrene, not spcf as recurYesK40.21Bilateral inguinal hernia, w/o obst or gangrene, recurrentYesK40.30Unil inguinal hernia, w obst, w/o gangr, not spcf as recurYesK40.31Unilateral inguinal hernia, w obst, w/o gangrene, recurrentYes
Frequently asked questions
What is ICD-10 code K40.3?
K40.3 is an ICD-10-CM diagnosis code for Unilateral inguinal hernia, with obstruction, without gangrene.
Is K40.3 a billable code?
No. K40.3 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is K40.3 in?
K40.3 falls under Chapter 11: Diseases of the digestive system.
When did K40.3 become effective?
K40.3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to K40.3?
K40.3 belongs to category K40, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.