Key Takeaways G2211 is an add-on HCPCS code representing visit complexity tied to ongoing, longitudinal patient care. It must be billed with E/M codes (99202–99215) and cannot be billed independently. Medicare reimburses G2211 (approx. $16 nationally), but commercial payer acceptance may vary. Use accurate documentation to demonstrate the longitudinal care relationship. No modifiers are usually […]