N30
Non-billableCystitis
Cystitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- urinary infection (complicating):
- •abortion or ectopic or molar pregnancy,O00-O07, O08.8
- •pregnancy, childbirth and the puerperium, ,O23, O75.3, O86.2
Use Additional Code
Additional codes that should follow this code
Child Codes (7)
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(13)
UMLS
- Bladder infectionC0010692
- Bladder inflammationC0010692
- CystalgiaC0010692
- CystitidesC0010692
- CystitisC0010692
- Cystitis (disorder)C0010692
- Cystitis NOSC0010692
- Cystitis of the urinary bladderC0010692
- Cystitis, unspecifiedC0010692
- Urinary bladder inflammationC0010692
- bladder inflammationC0010692
- cystitisC0010692
- inflammation of bladderC0010692
Frequently Asked Questions
What is the ICD-10 code for cystitis?
The ICD-10-CM code for cystitis is N30. The full clinical description is "Cystitis". N30 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code N30 mean?
ICD-10-CM code N30 represents “Cystitis”. It is classified under Chapter 14: Diseases of the Genitourinary System and is a non-billable header code. Use a more specific child code for billing purposes.
Is N30 a billable code?
No, N30 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under N30.
What chapter is N30 in?
N30 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N30?
N30 has Excludes1 notes indicating codes that cannot be used together with it, including: prostatocystitis (N41.3).
What are the subcategories under N30?
N30 has 7 child codes, including: N30.0 (Acute cystitis), N30.1 (Interstitial cystitis (chronic)), N30.2 (Other chronic cystitis), N30.3 (Trigonitis), and 3 more.
Are additional codes required with N30?
Yes, when using N30, also report: infectious agent (B95-B97).
What are the UMLS CUIs for N30?
N30 is linked to 1 UMLS Concept Unique Identifier: C0010692. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does N30 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like cystitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of N30?
N30 maps to the ICD-11 code: GC00.Z (Cystitis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.