2023 ICD-10-CM Diagnosis Code N30.90

Cystitis, unspecified without hematuria

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • N30.90 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM N30.90 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of N30.90 - other international versions of ICD-10 N30.90 may differ.
The following code(s) above N30.90 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to N30.90:
  • N00-N99
    2023 ICD-10-CM Range N00-N99

    Diseases of the genitourinary system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the genitourinary system
  • N30-N39
    2023 ICD-10-CM Range N30-N39

    Other diseases of the urinary system

    Type 2 Excludes
    • urinary infection (complicating):
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
    Other diseases of the urinary system
  • N30
    ICD-10-CM Diagnosis Code N30


      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Use Additional
    • code to identify infectious agent (B95-B97)
Approximate Synonyms
  • Bacterial cystitis
  • Cystitis
  • Cystitis (bladder infection)
  • Cystitis (bladder infection), bacterial
  • Cystitis (bladder infection), recurrent
  • Persistent cystitis
  • Recurrent bacterial cystitis
  • Recurrent cystitis
ICD-10-CM N30.90 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 689 Kidney and urinary tract infections with mcc
  • 690 Kidney and urinary tract infections without mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert N30.90 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to N30.90:

ICD-10-CM Codes Adjacent To N30.90
N30.3 Trigonitis
N30.30 …… without hematuria
N30.31 …… with hematuria
N30.4 Irradiation cystitis
N30.40 …… without hematuria
N30.41 …… with hematuria
N30.8 Other cystitis
N30.80 …… without hematuria
N30.81 …… with hematuria
N30.9 Cystitis, unspecified
N30.90 …… without hematuria
N30.91 …… with hematuria
N31 Neuromuscular dysfunction of bladder, not elsewhere classified
N31.0 Uninhibited neuropathic bladder, not elsewhere classified
N31.1 Reflex neuropathic bladder, not elsewhere classified
N31.2 Flaccid neuropathic bladder, not elsewhere classified
N31.8 Other neuromuscular dysfunction of bladder
N31.9 Neuromuscular dysfunction of bladder, unspecified
N32 Other disorders of bladder
N32.0 Bladder-neck obstruction
N32.1 Vesicointestinal fistula

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.