ICD-9-CM diagnosis code (retired)
660.33 — Deep transverse arrest and persistent occipitoposterior position, antepartum condition or complication
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 660.33
660.33 is an ICD-9-CM diagnosis code for deep transverse arrest and persistent occipitoposterior position, antepartum condition or complication. 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, O64.0XX0 (Obstructed labor due to incomplete rotation of fetal head, not applicable or unspecified). The match is approximate, so confirm it against the record.
ICD-10-CM equivalents
- O64.0XX0Obstructed labor due to incomplete rotation of fetal head, not applicable or unspecifiedapproximate
Common questions about 660.33
What is the ICD-10 code for ICD-9 660.33?
- The GEMs map 660.33 to ICD-10-CM O64.0XX0.
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.