Convert ICD-10-CM O31.10X0 to ICD-9-CM

ICD-10-CM O31.10X0 converts approximately to:

2015 ICD-9-CM 651.30 Twin pregnancy with fetal loss and retention of one fetus, unspecified as to episode of care or not applicable
or:
2015 ICD-9-CM 651.60 Other multiple pregnancy with fetal loss and retention of one or more fetus(es), unspecified as to episode of care or not applicable

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2021 ICD-10-CM CMS General Equivalence Mappings.