R33.9 – Retention of urine, unspecified
ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the genitourinary system
ICD-10-CM code
R33.9
- Code
R33.9(claims format:R339)- Description
- Retention of urine, unspecified
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
- Block
- R30-R39 Symptoms and signs involving the genitourinary system
- Parent codes
- R33
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
R33 – Retention of urine
Excludes1 (not coded here):
- psychogenic retention of urine (F45.8)
Index terms for R33.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in R33
Frequently asked questions
What is ICD-10 code R33.9?
R33.9 is the ICD-10-CM code for retention of urine, unspecified, in the block R30-R39 (Symptoms and signs involving the genitourinary system).
Is R33.9 a billable code?
Yes. R33.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does R33.9 belong to?
It belongs to category R33 – Retention of urine.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.