N30
Non-billableCystitis
N30 is the ICD-10-CM code for Cystitis. It is a non-billable category code — use a more specific child code such as N30.0 for billing.
- Status
- Header (non-billable)
- Chapter
- N00-N99
- Subcodes
- 7
- Edition
- FY2026
N00-N99 Diseases of the genitourinary system
Excludes1 — not coded here
- •prostatocystitis (N41.3)
Frequently asked questions
- What is ICD-10 code N30?
- N30 is the ICD-10-CM code for "Cystitis". It falls under N00-N99 Diseases of the genitourinary system.
- Is N30 a billable code?
- No — N30 is a non-billable header code. Use a more specific child code (such as N30.0) for billing.
- What is excluded from N30?
- Excludes1 (not coded here): prostatocystitis (N41.3).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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