640 Hemorrhage in early pregnancy 
640.0 Threatened abortion 
640.00 Threatened abortion unspecified as to episode of care convert 640.00 to ICD-10-CM 640.01 Threatened abortion delivered convert 640.01 to ICD-10-CM
640.03 Threatened abortion antepartum convert 640.03 to ICD-10-CM 640.8 Other specified hemorrhage in early pregnancy 640.80 Other specified hemorrhage in early pregnancy unspecified as to episode of care convert 640.80 to ICD-10-CM 640.81 Other specified hemorrhage in early pregnancy delivered convert 640.81 to ICD-10-CM 640.83 Other specified hemorrhage in early pregnancy antepartum convert 640.83 to ICD-10-CM 640.9 Unspecified hemorrhage in early pregnancy 
640.90 Unspecified hemorrhage in early pregnancy unspecified as to episode of care convert 640.90 to ICD-10-CM 640.91 Unspecified hemorrhage in early pregnancy delivered convert 640.91 to ICD-10-CM 640.93 Unspecified hemorrhage in early pregnancy antepartum convert 640.93 to ICD-10-CM