Convert ICD-10-CM O09.00 to ICD-9-CM

ICD-10-CM O09.00 converts approximately to:

2015 ICD-9-CM V23.0 Supervision of high-risk pregnancy with history of infertility

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: 2023 ICD-10-CM CMS General Equivalence Mappings.