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HCPCS 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 G0559 CMS Temporary Procedures & Professional Services

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)

Common Specialties

Family Medicine, Internal Medicine, Emergency Medicine

Documentation Requirements

  • Document clinical indications and clear medical necessity supporting the encounter or procedure.
  • Ensure complete provider signatures, credentials, date, and specific place of service (POS).
  • Verify documentation strictly supports code specificity to prevent downcoding or claim denials.

Billing & Coding Tips

  • Verify current payer fee schedules, NCCI edits, and Medically Unlikely Edits (MUEs).
  • Append correct modifiers (e.g., 25, 59, 26, TC) where distinct procedural services or components apply.
  • Confirm pre-authorization rules with Medicare, Medicaid, and commercial plans before submission.

Related Codes

G0001 G0002 G0008 G0009 G0010 G0011 G0012 G0013 G0017 G0018 G0019 G0022 G0023 G0024 G0027

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