ICD-9-CM diagnosis code (retired)
633.81 — Other ectopic pregnancy with intrauterine pregnancy
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 633.81
633.81 is an ICD-9-CM diagnosis code for other ectopic pregnancy with intrauterine pregnancy. 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, O00.81 (Other ectopic pregnancy with intrauterine pregnancy). The match is exact.
ICD-10-CM equivalents
- O00.81Other ectopic pregnancy with intrauterine pregnancyexact match
Common questions about 633.81
What is the ICD-10 code for ICD-9 633.81?
- The GEMs map 633.81 to ICD-10-CM O00.81.
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.