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N30.3

Non-billable

Trigonitis

N30.3 is the ICD-10-CM code for Trigonitis. It is a non-billable category code — use a more specific child code such as N30.30 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Parent
N30
Subcodes
2
Edition
FY2026

N00-N99 Diseases of the genitourinary system

Includes

  • •Urethrotrigonitis

Frequently asked questions

What is ICD-10 code N30.3?
N30.3 is the ICD-10-CM code for "Trigonitis". It falls under N00-N99 Diseases of the genitourinary system.
Is N30.3 a billable code?
No — N30.3 is a non-billable header code. Use a more specific child code (such as N30.30) for billing.
What are the subcodes of N30.3?
N30.3 has 2 more specific child codes, including N30.30, N30.31.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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