ICD-10-CM
ICD-10 code for Inguinal hernia: K40.90
The closest CDC title for "Inguinal hernia" is K40.90, Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent. K40.90 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under K40, then other CDC titles that name unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
A header groups codes and is not billed. A billable code is one you can report.
- K40Inguinal herniaHeader
- K40.0Bilateral inguinal hernia, with obstruction, without gangreneHeader
- K40.00Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrentBillable
- K40.01Bilateral inguinal hernia, with obstruction, without gangrene, recurrentBillable
- K40.1Bilateral inguinal hernia, with gangreneHeader
- K40.10Bilateral inguinal hernia, with gangrene, not specified as recurrentBillable
- K40.11Bilateral inguinal hernia, with gangrene, recurrentBillable
- K40.2Bilateral inguinal hernia, without obstruction or gangreneHeader
- K40.20Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrentBillable
- K40.21Bilateral inguinal hernia, without obstruction or gangrene, recurrentBillable
- K40.3Unilateral inguinal hernia, with obstruction, without gangreneHeader
- K40.30Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrentBillable
- K40.31Unilateral inguinal hernia, with obstruction, without gangrene, recurrentBillable
- K40.4Unilateral inguinal hernia, with gangreneHeader
- K40.40Unilateral inguinal hernia, with gangrene, not specified as recurrentBillable
- K40.41Unilateral inguinal hernia, with gangrene, recurrentBillable
- K40.9Unilateral inguinal hernia, without obstruction or gangreneHeader
- K40.90Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrentBillable
- K40.91Unilateral inguinal hernia, without obstruction or gangrene, recurrentBillable
Related conditions
Related pages
- K40.90 code detailsNotes, nearby codes, CMS-HCC group
- Category K40Every code under it
- Chapter 11Diseases of the digestive system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Inguinal hernia?
The closest CDC title for "Inguinal hernia" is K40.90, Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent. K40.90 is a billable code.
Is K40.90 billable?
Yes. K40.90 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is K40.90 in?
Chapter 11. Diseases of the digestive system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.