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)

Short descriptor: Unrelat prac follow up visit

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G0559 is the 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) (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Priced by carriers (physician fee schedule).

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Priced by carriers (physician fee schedule) (indicator 13)
Type of Service
Medical care
Effective Date
2025-01-01
2026 Maintenance
No change this year

References

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Reference G0559 with the canonical source and edition:

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). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G0559

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G0559

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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