Codes beginning with A indicate therapeutic equivalence; codes beginning with B indicate a known or potential bioequivalence problem. Pharmacy substitution laws in most states key directly off this rating.
A two-character Orange Book rating stating whether a generic is substitutable for its reference brand.
Codes beginning with A indicate therapeutic equivalence; codes beginning with B indicate a known or potential bioequivalence problem. Pharmacy substitution laws in most states key directly off this rating.