Convert ICD-10 Code O30.009 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
O30.009 Twin pregnancy, unsp num plcnta & amnio sacs, unsp trimester		651.00 Twin pregnancy-unspec
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.
O30.009 Twin pregnancy, unsp num plcnta & amnio sacs, unsp trimester		V91.00 Twin gest-plac/sac NOS
Combination Flag - Multiple codes are needed to describe the source diagnosis code. Correct coding should be done based on contextual judgment.

ICD-10 to ICD-9 crosswalk for code O30.009 - twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester based on the most recent General Equivalence Mappings (GEMS) information.