How to code tetanus booster?

To code a tetanus booster, use the Current Procedural Terminology (CPT) code 90714 for the Td (tetanus-diphtheria) vaccine, or 90715 for Tdap (tetanus, diphtheria, and pertussis) if applicable. Additionally, include the appropriate International Classification of Diseases (ICD) code to indicate the reason for vaccination, such as Z23 for encounters for immunization. Ensure to verify coding guidelines and payer requirements, as they may vary.