ICD-9-CM diagnosis code (retired)
788.20 — Retention of urine, unspecified
ICD-9-CM was replaced by ICD-10 on October 1, 2015. These are the ICD-10-CM equivalents from the CMS General Equivalence Mappings.
About ICD-9-CM 788.20
788.20 is an ICD-9-CM diagnosis code for retention of urine, unspecified. ICD-9-CM was retired for U.S. claims on October 1, 2015, when ICD-10-CM took over.
The CMS General Equivalence Mappings translate it to one ICD-10-CM code, R33.9 (Retention of urine, unspecified). The match is exact.
ICD-10-CM equivalents
- R33.9Retention of urine, unspecifiedexact match
Common questions about 788.20
What is the ICD-10 code for ICD-9 788.20?
- The GEMs map 788.20 to ICD-10-CM R33.9.
GEMs are a translation aid, not a substitute for coding from the record. The 2027 ICD-10 code set has changed since the last GEMs release in 2018. Page updated September 29, 2026.