ICD-9-CM diagnosis code (retired)
651.40 — Triplet pregnancy with fetal loss and retention of one or more fetus(es), unspecified as to episode of care or not applicable
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 651.40
651.40 is an ICD-9-CM diagnosis code for triplet pregnancy with fetal loss and retention of one or more fetus(es), unspecified as to episode of care or not applicable. 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, O31.10X0 (Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, not applicable or unspecified). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- O31.10X0Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, not applicable or unspecifiedapproximate
Common questions about 651.40
What is the ICD-10 code for ICD-9 651.40?
- The GEMs map 651.40 to ICD-10-CM O31.10X0.
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.