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ICD-10-CM Codes
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N00-N99
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N30-N39
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N30-
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2023 ICD-10-CM Diagnosis Code N30
2023 ICD-10-CM Diagnosis Code N30
Cystitis
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
- N30 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2023 edition of ICD-10-CM N30 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N30 - other international versions of ICD-10 N30 may differ.
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
- code to identify infectious agent (B95-B97
ICD-10-CM Range B95-B97
Bacterial and viral infectious agentsNote- These categories are provided for use as supplementary or additional codes to identify the infectious agent(s) in diseases classified elsewhere.
- B95 Streptococcus, Staphylococcus, and Enter...
- B96 Other bacterial agents as the cause of d...
- B97 Viral agents as the cause of diseases cl...
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N30. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
N30 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:
- An acute or chronic inflammatory process affecting the bladder.
- Inflammation of the urinary bladder, either from bacterial or non-bacterial causes. Cystitis is usually associated with painful urination (dysuria), increased frequency, urgency, and suprapubic pain.
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
Code annotations containing back-references to N30:
ICD-10-CM Codes Adjacent To N30
N28.8 Other specified disorders of kidney and ureter
N28.85 Pyeloureteritis cystica
N28.89 Other specified disorders of kidney and ureter
N28.9 Disorder of kidney and ureter, unspecified
N29 Other disorders of kidney and ureter in diseases classified elsewhere
N30
Cystitis
N30.1 Interstitial cystitis (chronic)
N30.2 Other chronic cystitis
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
