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
What this means — in plain language
MedlinePlus · NIHThe bladder is a hollow organ in your lower abdomen that stores urine. Many conditions can affect your bladder. Some common ones are: Cystitis - inflammation of the bladder, often from an infection Urinary incontinence - loss of bladder control Overactive bladder - a condition in which the bladder squeezes urine out at the wrong time Interstitial cystitis - a chronic problem that causes bladder pain and frequent,…
Read more about Bladder Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •prostatocystitis (N41.3)
Medications indicated for this condition
FDA labeling- NitrofurantoinNitrofuran Antibacterial [EPC]›
- OfloxacinQuinolone Antimicrobial [EPC]›
- Mesna›
- Methenamine›
- Cefpodoxime›
- Flavoxate›
- IfosfamideAlkylating Drug [EPC]›
- Dimethyl Sulfoxide›
- Glydo- Lidocaine Hydrochloride Jelly›
- Granules for Oral›
- Hyoscyamine Sulfate, Methenamine, Methylene Blue, Phenyl Salicylate, and Sodium Phosphate, Monobasic, Monohydrate›
- Hyoscyamine Sulfate Sublingual›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
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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