Bladder disorders in diseases classified elsewhere (N33) ICD-10-CM
The N33 code range covers bladder disorders in diseases classified elsewhere with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Code First
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.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the N33 Range 1 codes · 1 billable
- N33 Bladder disorders in diseases classified elsewhere
About the N33 Code Range
The ICD-10 code N33 is designated for bladder disorders that arise as a consequence of other diseases classified elsewhere. This code helps specify bladder problems linked to infections or conditions outside the primary urinary system diagnosis.
The code covers bladder issues caused by parasitic infections such as urinary schistosomiasis—a condition also known as Schistosoma japonicum infection or disorders of the urinary bladder caused by Schistosoma species. Using the ICD-10 code for bladder disorders in diseases classified elsewhere (N33) clarifies that the bladder condition is secondary to an underlying infectious disease rather than a primary bladder pathology. This distinction aids medical coders and healthcare professionals in accurately documenting bladder complications linked to systemic diseases, ensuring precise treatment planning and data tracking for such complex cases.
Questions About This Page
How many billable codes are in the N33 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the N33 range classify?
The range classifies bladder disorders in diseases classified elsewhere. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
