R33.9Billable

Retention of urine, unspecified

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R33
Effective date
October 1, 2026

Related codes in category R33

R33Retention of urineR33.0Drug induced retention of urineYesR33.8Other retention of urineYes

Frequently asked questions

What is ICD-10 code R33.9?

R33.9 is an ICD-10-CM diagnosis code for Retention of urine, unspecified.

Is R33.9 a billable code?

Yes. R33.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is R33.9 in?

R33.9 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R33.9 become effective?

R33.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R33.9?

R33.9 belongs to category R33, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.