N30.9
Non-billableCystitis, unspecified
Cystitis, unspecified
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)
- prostatocystitis (N41.3)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-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
- code to identify infectious agent (B95-B97)
Child Codes (2)
Also Known As / Clinical Terms
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 ICD-10 code N30.9?
ICD-10-CM code N30.9 represents "Cystitis, unspecified". It is a non-billable header code — use a more specific child code for billing purposes.
Is N30.9 a billable code?
No, N30.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under N30.9.
What chapter is N30.9 in?
N30.9 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N30.9?
N30.9 has Excludes1 notes indicating codes that cannot be used together with it, including: prostatocystitis (N41.3).
What are the subcategories under N30.9?
N30.9 has 2 child codes, including: N30.90 (Cystitis, unspecified without hematuria), N30.91 (Cystitis, unspecified with hematuria).
Are additional codes required with N30.9?
Yes, when using N30.9 you should also code: code to identify infectious agent (B95-B97).
What are the UMLS CUIs for N30.9?
N30.9 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.
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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.