ICD-10-CM Alphabetic Index · FY 2026 60 Entries
Cystitis in the ICD-10-CM Index ICD-10-CM
The main term Cystitis (exudative) (hemorrhagic) (septic) (suppurative) carries 60 index entries pointing to 27 ICD-10-CM codes. The default entry is N30.90, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
60
Index Entries
27
Codes Referenced
N30.90
Default Code
C
Letter
60 of 60 shown
ICD-10-CM
Index Entries Under Cystitis 60 entries · 27 codes
Cystitis (exudative) (hemorrhagic) (septic) (suppurative) N30.90
with
fibrosis see Cystitis, chronic, interstitial
hematuria N30.91
leukoplakia see Cystitis, chronic, interstitial
malakoplakia see Cystitis, chronic, interstitial
metaplasia see Cystitis, chronic, interstitial
prostatitis N41.3
acute N30.00
with hematuria N30.01
of trigone N30.30
with hematuria N30.31
allergic see Cystitis, specified type NEC
amebic A06.81
bilharzial B65.9
blennorrhagic (gonococcal) A54.01
bullous see Cystitis, specified type NEC
calculous N21.0
chlamydial A56.01
chronic N30.20
with hematuria N30.21
interstitial N30.10
with hematuria N30.11
of trigone N30.30
with hematuria N30.31
specified NEC N30.20
with hematuria N30.21
cystic (a) see Cystitis, specified type NEC
diphtheritic A36.85
echinococcal
granulosus B67.39
multilocularis B67.69
emphysematous see Cystitis, specified type NEC
encysted see Cystitis, specified type NEC
eosinophilic see Cystitis, specified type NEC
follicular see Cystitis, of trigone
gangrenous see Cystitis, specified type NEC
glandularis see Cystitis, specified type NEC
gonococcal A54.01
incrusted see Cystitis, specified type NEC
interstitial (chronic) see Cystitis, chronic, interstitial
irradiation N30.40
with hematuria N30.41
irritation see Cystitis, specified type NEC
malignant see Cystitis, specified type NEC
of trigone N30.30
with hematuria N30.31
panmural see Cystitis, chronic, interstitial
polyposa see Cystitis, specified type NEC
prostatic N41.3
puerperal (postpartum) O86.22
radiation see Cystitis, irradiation
specified type NEC N30.80
with hematuria N30.81
subacute see Cystitis, chronic
submucous see Cystitis, chronic, interstitial
syphilitic (late) A52.76
trichomonal A59.03
tuberculous A18.12
ulcerative see Cystitis, chronic, interstitial
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
