Why should immunization billing verify payer requirements before submitting codes?

• A. To ensure vaccine brand is available
• B. To ensure appropriate codes and reimbursement
• C. To schedule follow-up visits
• D. To record patient preferences

Answer: (B)

Verifying payer requirements before submitting immunization codes ensures you bill the exact codes the payer will reimburse and follow their coverage rules. Payers often specify which vaccine product codes and which administration codes are acceptable, and some require additional details such as the product’s NDC, lot number, or specific documentation for eligibility. If you skip this step, you risk using the wrong code, omitting required codes, or missing payer-specific rules, which can lead to claim denials, delays, or underpayment. By aligning your coding with the payer’s requirements, you improve the likelihood of full and timely reimbursement and maintain accurate, compliant billing. Other tasks like checking vaccine availability, scheduling follow-ups, or recording patient preferences may matter for workflow or patient care, but they don’t ensure proper payment and coding alignment.