N33 — Bladder disorders in diseases classified elsewhere
Part of Chapter 14: Diseases of the genitourinary system , block Other diseases of the urinary system (N30-N39) .
Official Notes
Code First
underlying disease, such as:
Code First
schistosomiasis (B65.0-B65.9)
Excludes1
bladder disorder in syphilis ( A52.76 )
Excludes1
bladder disorder in tuberculosis ( A18.12 )
Excludes1
candidal cystitis ( B37.41 )
Excludes1
chlamydial cystitis ( A56.01 )
Excludes1
cystitis in gonorrhea ( A54.01 )
Excludes1
cystitis in neurogenic bladder ( N31 .-)
Excludes1
diphtheritic cystitis ( A36.85 )
Excludes1
syphilitic cystitis ( A52.76 )
Excludes1
trichomonal cystitis ( A59.03 )
Child Codes
N33 has no child codes in the FY 2027 release -- it is used on its own.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS