Convert ICD-10-CM O35.9XX3 to ICD-9-CM

ICD-10-CM O35.9XX3 converts approximately to:

2015 ICD-9-CM 655.91 Unspecified suspected fetal abnormality, affecting management of mother, delivered, with or without mention of antepartum condition
or:
2015 ICD-9-CM 655.93 Unspecified suspected fetal abnormality, affecting management of mother, antepartum condition or complication

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.