2025 HCPCS Modifier code GC
(Active) Effective Date: N/A Revision Date: N/A Modifiers - Physician Supervision Modifiers Feed
Indicates a resident performed part of a service under a teaching physician's supervision.
Modifier GC can be appended to many CPT and HCPCS codes.Check payer guidelines to see if they accept this modifier for specific procedures.
The medical necessity for the procedure or service must be established, regardless of the resident's involvement. The teaching environment and resident participation are considered integral to medical training.
Shared responsibility between the resident and the supervising teaching physician. The teaching physician retains ultimate responsibility for the quality of care provided.
In simple words: This modifier shows that a doctor-in-training (a resident) helped with a medical service, under the watch of an experienced doctor.
Modifier GC signifies that a resident, a medical graduate in a teaching facility under a teaching physician's supervision, performed a billable service.The supervising physician must be present during most of the service and readily available for other parts.Both the resident and the teaching physician must document the service, with the teaching physician attesting to the resident's findings, correcting or elaborating as needed.Both must sign and date the documentation.
Example 1: A cardiology resident performs an echocardiogram under the supervision of an attending cardiologist. The attending physician is present for the majority of the procedure and reviews the resident's findings, adding comments and signing the report., A surgical resident assists in an appendectomy, with the attending surgeon present and actively supervising throughout the procedure.The attending surgeon reviews the resident's operative notes and co-signs the operative report., During a routine physical exam, a family medicine resident performs the majority of the examination under the guidance of an attending physician.The attending physician reviews the resident's notes, signs and dates the record, and ensures the resident's documentation is complete and accurate.
* Complete documentation of the service by both the resident and the supervising physician.* The supervising physician's notes should comment on the resident's documentation, attesting to the resident's findings, correcting or elaborating as necessary.* Both the resident and the supervising physician must sign and date the documentation.
** Payers may have specific requirements for the use of modifier GC. Always check payer guidelines to ensure compliance.
- Payment Status: Active
- Modifier TC rule: Not applicable.
- Specialties:All specialties involved in teaching programs.
- Place of Service:Inpatient Hospital, Outpatient Hospital, Office, Ambulatory Surgical Center