The AAP has a straightforward summary detailing how pediatric practices should be billing 99051 for every patient seen on Saturday, Sunday, and Holidays. The full details can be found here.
99051 Service(s) provided in the office during regularly scheduled evening, weekend, or holiday office hours, in addition to basic service
- Used when patients are seen when the practice has regularly scheduled expanded evening hours or regularly scheduled weekend/holiday hours
- Can be reported in addition to sick/urgent visits, but also for visits addressing chronic medical conditions and preventive medicine services
- Evenings and holidays are not clearly defined by CPT.
- Do not report 99051 when:
- The physician/QHP is running late and sees a patient after regularly posted office hours.