Online digital E&M service, for an established patient, for up to 7 days, cumulative time during the 7 days; 5-10 minutes
CPT code 99421 designates prolonged office or other outpatient evaluation and management (E/M) service for the first hour, requiring direct patient contact beyond the usual service time. This code is applied when healthcare providers engage in prolonged face-to-face time with patients in the office or other outpatient setting, extending beyond the typical duration of E/M services for the first hour.
In the realm of E/M services, 99421 plays a crucial role, representing prolonged service in the office or other outpatient setting for the first hour. Healthcare providers utilize this code when engaging in prolonged face-to-face time with patients, extending beyond the usual duration of E/M services during the initial hour. Its use ensures accurate documentation of efforts in providing extended care during patient encounters in the outpatient setting.