N30.2
⚠ Non-billable (Header)Other chronic cystitis
Diseases of the genitourinary system (N00-N99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • prostatocystitis (N41.3)
📋 Code Instructions
inherited- • code to identify infectious agent (B95-B97)
Child Codes (2)
Clinical Description
ICD-10-CM code N30.2 represents other chronic cystitis. This code falls under the Diseases of the genitourinary system (N00-N99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 2 more specific child codes under N30.2. Coders should note that N30.2 has 1 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code N30.2?
ICD-10-CM code N30.2 is "Other chronic cystitis". It belongs to the category: Diseases of the genitourinary system (N00-N99).
Is N30.2 a billable ICD-10 code?
No, N30.2 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with N30.2?
N30.2 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in N30
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)