ICD-9-CM diagnosis code (retired)
662.31 — Delayed delivery of second twin, triplet, etc., delivered, with or without mention of antepartum condition
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 662.31
662.31 is an ICD-9-CM diagnosis code for delayed delivery of second twin, triplet, etc., delivered, with or without mention of antepartum condition. 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, O63.2 (Delayed delivery of second twin, triplet, etc.). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- O63.2Delayed delivery of second twin, triplet, etc.approximate
Common questions about 662.31
What is the ICD-10 code for ICD-9 662.31?
- The GEMs map 662.31 to ICD-10-CM O63.2.
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.