G0559 – Post-operative follow-up visit complexity inherent to evaluation and management services addressing surgical procedure(s), provided by a physician or qualified health care professional who is not the practitioner who performed the procedure (or in the same group practice) and is of the same or of a different specialty than the practitioner who performed the procedure, within the 90-day global period of the procedure(s), once per 90-day global period, when there has not been a formal transfer of care and requires the following required elements, when possible and applicable: reading available surgical note to understand the relative success of the procedure, the anatomy that was affected, and potential complications that could have arisen due to the unique circumstances of the patient's operation. research the procedure to determine expected post-operative course and potential complications (in the case of doing a post-op for a procedure outside the specialty). evaluate and physically examine the patient to determine whether the post-operative course is progressing appropriately. communicate with the practitioner who performed the procedure if any questions or concerns arise. (list separately in addition to office/outpatient evaluation and management visit, new or established)

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG0559
Long description
Post-operative follow-up visit complexity inherent to evaluation and management services addressing surgical procedure(s), provided by a physician or qualified health care professional who is not the practitioner who performed the procedure (or in the same group practice) and is of the same or of a different specialty than the practitioner who performed the procedure, within the 90-day global period of the procedure(s), once per 90-day global period, when there has not been a formal transfer of care and requires the following required elements, when possible and applicable: reading available surgical note to understand the relative success of the procedure, the anatomy that was affected, and potential complications that could have arisen due to the unique circumstances of the patient's operation. research the procedure to determine expected post-operative course and potential complications (in the case of doing a post-op for a procedure outside the specialty). evaluate and physically examine the patient to determine whether the post-operative course is progressing appropriately. communicate with the practitioner who performed the procedure if any questions or concerns arise. (list separately in addition to office/outpatient evaluation and management visit, new or established)
Short description
Unrelat prac follow up visit
Pricing indicator
13 Priced by the Medicare contractor (carrier)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
M5D Specialist - other
Added
January 1, 2025
Last change
January 1, 2025 – No change

Frequently asked questions

What is HCPCS code G0559?

G0559 is a HCPCS Level II code for post-operative follow-up visit complexity inherent to evaluation and management services addressing surgical procedure(s), provided by a physician or qualified health care professional who is not the practitioner who performed the procedure (or in the same group practice) and is of the same or of a different specialty than the practitioner who performed the procedure, within the 90-day global period of the procedure(s), once per 90-day global period, when there has not been a formal transfer of care and requires the following required elements, when possible and applicable: reading available surgical note to understand the relative success of the procedure, the anatomy that was affected, and potential complications that could have arisen due to the unique circumstances of the patient's operation. research the procedure to determine expected post-operative course and potential complications (in the case of doing a post-op for a procedure outside the specialty). evaluate and physically examine the patient to determine whether the post-operative course is progressing appropriately. communicate with the practitioner who performed the procedure if any questions or concerns arise. (list separately in addition to office/outpatient evaluation and management visit, new or established).

Does Medicare cover G0559?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.