K40

Non-Billable
ChapterK00–K95
Rankcategory
Official Description

Inguinal hernia

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

K40-K46 Parent Instructions

Includes
  • acquired hernia
  • congenital [except diaphragmatic or hiatus] hernia
  • recurrent hernia

Instructional Notes

Includes
  • bubonocele
  • direct inguinal hernia
  • double inguinal hernia
  • indirect inguinal hernia
  • inguinal hernia NOS
  • oblique inguinal hernia
  • scrotal hernia

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K40-K46Hernia (K40-K46)
K40Inguinal herniaNot billable
K40.0Bilateral inguinal hernia, with obstruction, without gangreneSubcodes
K40.1Bilateral inguinal hernia, with gangreneSubcodes
K40.2Bilateral inguinal hernia, without obstruction or gangreneSubcodes
K40.3Unilateral inguinal hernia, with obstruction, without gangreneSubcodes
K40.4Unilateral inguinal hernia, with gangreneSubcodes
K40.9Unilateral inguinal hernia, without obstruction or gangreneSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K40:

chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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