Convert ICD-9-CM Diagnosis 649.43 to ICD-10-CM

ICD-9-CM 649.43 converts approximately to:
  • 2022 ICD-10-CM O99.351 Diseases of the nervous system complicating pregnancy, first trimester
    or:
  • 2022 ICD-10-CM O99.352 Diseases of the nervous system complicating pregnancy, second trimester
    or:
  • 2022 ICD-10-CM O99.353 Diseases of the nervous system complicating pregnancy, third trimester

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: 2022 ICD-10-CM CMS General Equivalence Mappings.