How many sets of administration codes exist for vaccines?

The correct number of sets of administration codes for vaccines is two sets. This typically includes one set for vaccines administered via intramuscular, subcutaneous, or intradermal routes, and another set specifically for vaccines that are administered via oral or nasal routes.

The presence of two distinct sets allows for accurate reporting and billing, reflecting the different methods in which vaccines are delivered and ensuring appropriate reimbursement based on the administration technique.

Understanding the categorization into two sets is essential for coders and auditors, as it informs them about the specific codes to apply based on the route of administration, which directly impacts compliance and financial aspects in medical billing for vaccinations.