MCMedicalCodingSoftware
K40

K40: Inguinal hernia

Non-billable headerICD-10-CM

K40 is a non-billable header ICD-10-CM code for inguinal hernia. It cannot be billed on its own: choose one of the more specific child codes below.

Includes

Conditions this code covers.

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

Other codes that can never be billed with K40

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • I96Gangrene, not elsewhere classified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K40

6 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.