2026 ICD-10-CM Diagnosis Code K46Unspecified abdominal hernia

ICD-10-CM CodesK00–K95K40-K46K46

ICD-10-CM K46
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

K46 is a non-billable ICD-10-CM category code for unspecified abdominal hernia, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K46.0, K46.1, and K46.9.

Code Identity

ICD-10-CM Code
K46
Billable Status
No — Non-Billable Category
Code Describes
Unspecified abdominal hernia
Chapter
K40-K46
Hernia

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK40-K46Hernia
CategoryK46Unspecified abdominal hernia
This CodeK46Unspecified abdominal hernia

Specific Coding for Unspecified abdominal herniaOverview

Non-specific codes like K46 require more characters. Use one of these billable codes instead:

  • Use K46.0 for Unspecified abdominal hernia with obstruction, without gangrene

  • Use K46.1 for Unspecified abdominal hernia with gangrene

  • Use K46.9 for Unspecified abdominal hernia without obstruction or gangrene

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • enterocele
  • epiplocele
  • hernia NOS
  • interstitial hernia
  • intestinal hernia
  • intra-abdominal hernia

Type 1 Excludes

  • vaginal enterocele N81.5

Clinical InformationClinical

  • Abdominal Hernia

    the protrusion of abdominal contents through a congenital or acquired defect in the abdominal wall.

Patient EducationClinical

Hernia

A hernia happens when part of an internal organ or tissue bulges through a weak area of muscle. Most hernias are in the abdomen.

Read the full article at MedlinePlus

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About K46Overview

Is K46 (Unspecified abdominal hernia) a billable code?

No. This is a category header that groups the codes for unspecified abdominal hernia, and headers cannot be submitted on claims. Claims for unspecified abdominal hernia need a more specific code from this category, such as K46.0, K46.1, and K46.9.