K40.90

✓ Billable

Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent

Diseases of the digestive system (K00-K95)

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Also Known As

Inguinal hernia NOSUnilateral inguinal hernia NOS
✓ No additional coding notes for K40.90

Clinical Description

ICD-10-CM code K40.90 represents unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent. This code falls under the Diseases of the digestive system (K00-K95) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.

This is a 6-character code at the 5th level of specificity. This is the most specific code available in this subcategory.

Frequently Asked Questions

What is ICD-10 code K40.90?

ICD-10-CM code K40.90 is "Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent". It belongs to the category: Diseases of the digestive system (K00-K95).

Is K40.90 a billable ICD-10 code?

Yes, K40.90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

Related Codes in K40.9

Other codes in the same category that may be relevant for differential coding:

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Code Information

CodeK40.90
BillableYes
ParentK40.9
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)