N30.0 ICD-10-CM Code: Acute cystitis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
N30.0Acute cystitis
ICD-10-CM diagnosis code · United States clinical modification
Where N30.0 sits
- 1
Chapter 14
Diseases of the genitourinary system (N00-N99)
- 2
Section
Other diseases of the urinary system (N30-N39)
- 3
Category N30
Cystitis
- 4
Code N30.0
Acute cystitis
Codes under N30.0
N30.0 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for N30.0.
Code first
No “code first” instruction is listed for N30.0.
Use additional code
No “use additional code” instruction is listed for N30.0.
Excludes1
Conditions that should not be reported together with this code.
- irradiation cystitis (N30.4-)
- trigonitis (N30.3-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for N30.0.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code N30.0 mean?
N30.0 is the FY 2027 U.S. ICD-10-CM code for “Acute cystitis.”
Is N30.0 a billable or specific ICD-10-CM code?
No. N30.0 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is N30.0 located in ICD-10-CM?
N30.0 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Other diseases of the urinary system (N30-N39) (N30–N39), under category N30, Cystitis.
What coding notes are listed for N30.0?
No inclusion terms are listed for N30.0 in this reference record. No code-first instruction is listed. Excludes1 notes: irradiation cystitis (N30.4-); trigonitis (N30.3-). No Excludes2 note is listed.