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.
Code definition
Official description
N33Bladder disorders in diseases classified elsewhere
ICD-10-CM diagnosis code · United States clinical modification
Classification
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
Documentation details
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.
Transparency
Source and release
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.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
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.
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