N33 ICD-10-CM Code: Bladder disorders in diseases classified elsewhere
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
N33Bladder disorders in diseases classified elsewhere
ICD-10-CM diagnosis code · United States clinical modification
Where N33 sits
- 1
Chapter 14
Diseases of the genitourinary system (N00-N99)
- 2
Section
Other diseases of the urinary system (N30-N39)
- 3
Category N33
Bladder disorders in diseases classified elsewhere
- 4
Code N33
Bladder disorders in diseases classified elsewhere
Notes for this code
Inclusion terms
No inclusion terms are listed for N33.
Code first
- underlying disease, such as:
- schistosomiasis (B65.0-B65.9)
Use additional code
No “use additional code” instruction is listed for N33.
Excludes1
Conditions that should not be reported together with this code.
- bladder disorder in syphilis (A52.76)
- bladder disorder in tuberculosis (A18.12)
- candidal cystitis (B37.41)
- chlamydial cystitis (A56.01)
- cystitis in gonorrhea (A54.01)
- cystitis in neurogenic bladder (N31.-)
- diphtheritic cystitis (A36.85)
- syphilitic cystitis (A52.76)
- trichomonal cystitis (A59.03)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for N33.
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 N33 mean?
N33 is the FY 2027 U.S. ICD-10-CM code for “Bladder disorders in diseases classified elsewhere.”
Is N33 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, N33 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is N33 located in ICD-10-CM?
N33 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 N33, Bladder disorders in diseases classified elsewhere.
What coding notes are listed for N33?
No inclusion terms are listed for N33 in this reference record. Code-first instructions: underlying disease, such as:; schistosomiasis (B65.0-B65.9). Excludes1 notes: bladder disorder in syphilis (A52.76); bladder disorder in tuberculosis (A18.12); candidal cystitis (B37.41); chlamydial cystitis (A56.01); cystitis in gonorrhea (A54.01); cystitis in neurogenic bladder (N31.-); diphtheritic cystitis (A36.85); syphilitic cystitis (A52.76); trichomonal cystitis (A59.03). No Excludes2 note is listed.