K40
Non-billableInguinal hernia
Inguinal hernia
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- acquired hernia
- congenital [except diaphragmatic or hiatus] hernia
- recurrent hernia
- bubonocele
- direct inguinal hernia
- double inguinal hernia
- indirect inguinal hernia
- inguinal hernia NOS
- oblique inguinal hernia
- scrotal hernia
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Child Codes (6)
K40.0Bilateral inguinal hernia, with obstruction, w/o gangrene
K40.1Bilateral inguinal hernia, with gangrene
K40.2Bilateral inguinal hernia, without obstruction or gangrene
K40.3Unilateral inguinal hernia, with obstruction, w/o gangrene
K40.4Unilateral inguinal hernia, with gangrene
K40.9Unilateral inguinal hernia, without obstruction or gangrene
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(61)
UMLS
- BubonoceleC0401063
- Bubonocele (disorder)C0401063
- bubonoceleC0401063
- Direct Inguinal HerniaC0019295
- Direct Inguinal HerniasC0019295
- Direct inguinal herniaC0019295
- Direct inguinal hernia (disorder)C0019295
- Hernia, Direct InguinalC0019295
- Hernias, Direct InguinalC0019295
- Inguinal Hernia, DirectC0019295
- Inguinal Hernias, DirectC0019295
- Internal inguinal herniaC0019295
- direct herniaC0019295
- direct inguinal herniaC0019295
- hernia directC0019295
- internal inguinal herniaC0019295
- Double inguinal herniaC0860251
- HERNIA, DOUBLE INGUINALC0860251
- Hernia, Double InguinalC0860251
- double inguinal herniaC0860251
- inguinal double herniaC0860251
- External inguinal herniaC0019296
- Hernia, Indirect InguinalC0019296
- Hernias, Indirect InguinalC0019296
- Indirect Inguinal HerniaC0019296
- Indirect Inguinal HerniasC0019296
- Indirect inguinal herniaC0019296
- Indirect inguinal hernia (disorder)C0019296
- Inguinal Hernia, IndirectC0019296
- Inguinal Hernias, IndirectC0019296
- Oblique inguinal herniaC0019296
- external inguinal herniaC0019296
- hernia indirect inguinalC0019296
- hernias indirectC0019296
- indirect herniaC0019296
- indirect inguinal herniaC0019296
- inguinal indirect herniaC0019296
- oblique inguinal herniaC0019296
- Groin herniaC0019294
- Hernia inguinalC0019294
- Hernia, InguinalC0019294
- Hernias, InguinalC0019294
- IH - Inguinal herniaC0019294
- Inguinal HerniaC0019294
- Inguinal HerniasC0019294
- Inguinal herniaC0019294
- Inguinal hernia (disorder)C0019294
- Inguinal hernia NOSC0019294
- Inguinal herniaeC0019294
- Inguinal herniasC0019294
- inguinal herniaC0019294
- inguinal hernia NOSC0019294
- inguinal herniasC0019294
- Scrotal HerniaC0019319
- Scrotal herniaC0019319
- Scrotal hernia (disorder)C0019319
- hernia scrotalC0019319
- hernia scrotumC0019319
- hernias scrotumC0019319
- scrotal herniaC0019319
- scrotum herniaC0019319
Frequently Asked Questions
What is the ICD-10 code for inguinal hernia?
The ICD-10-CM code for inguinal hernia is K40. The full clinical description is "Inguinal hernia". K40 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K40 mean?
ICD-10-CM code K40 represents “Inguinal hernia”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K40 a billable code?
No, K40 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under K40.
What chapter is K40 in?
K40 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K40?
K40 has 6 child codes, including: K40.0 (Bilateral inguinal hernia, with obstruction, w/o gangrene), K40.1 (Bilateral inguinal hernia, with gangrene), K40.2 (Bilateral inguinal hernia, without obstruction or gangrene), K40.3 (Unilateral inguinal hernia, with obstruction, w/o gangrene), and 2 more.
What are the UMLS CUIs for K40?
K40 is linked to 6 UMLS Concept Unique Identifiers: C0401063, C0019295, C0860251, C0019296, C0019294, and 1 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K40 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like inguinal hernia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K40?
K40 maps to the ICD-11 code: DD51 (Inguinal hernia).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.