Retention of urine (R33) ICD-10-CM
The R33 code range covers retention of urine with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
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.
- psychogenic retention of urine F45.8
Codes in the R33 Range 4 codes · 3 billable
About the R33 Code Range
The ICD-10 code section R33 covers the condition known as retention of urine, which involves difficulty or inability to empty the bladder fully. This section includes specific codes for different causes and types of urinary retention.
The main code, R33, represents general retention of urine. More detailed codes help healthcare professionals specify the cause: R33.0 is used when urine retention is caused by medications, often called drug-induced retention of urine. The code R33.8 includes various forms of retention such as incomplete bladder emptying due to benign prostatic hypertrophy, postoperative or postprocedural retention, and occlusion of a Foley catheter. Lastly, R33.9 applies when the exact cause is unspecified but the patient shows symptoms such as inefficient bladder emptying or large residual urine volume. These codes assist medical coders and caregivers in precisely documenting conditions like acute or chronic urinary retention, Fowler syndrome, and cauda equina syndrome-related painless retention, ensuring accurate ICD-10 code selection for retention of urine diagnoses.
Questions About This Page
How many billable codes are in the R33 range?
Of the 4 codes in this range, 3 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 R33 range classify?
The range classifies retention of urine. 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.
