Biosimilar Interchangeability Map

This interactive map of the United States outlines the interchangeability regulations governing the use of biosimilars by state.

Explore this map by state to find out:

• If pharmacists can automatically substitute an interchangeable biosimilar without prior approval
• If a prescriber can prevent automatic substitution
• If pharmacists have to communicate a substitution to the prescribing physician
• If pharmacists must communicate a substitution to the patient
• Relevant legislation and codes governing interchangeable biosimilars