G8577 HCPCS Level II code: Re-exploration required due to mediastinal bleeding with or without tamponade, unplanned coronary artery intervention (native, vessel, graft, or both), valve…
G8577 is the HCPCS code for “Re-exploration required due to mediastinal bleeding with or without tamponade, unplanned coronary artery intervention (native, vessel, graft, or both), valve dysfunction, aortic reintervention, or…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G8577Re-exploration required due to mediastinal bleeding with or without tamponade, unplanned coronary artery intervention (native, vessel, graft, or both), valve dysfunction, aortic reintervention, or other cardiac reason
Short description: Reop req bld grft oth
HCPCS · United States
Medicare details
The indicators CMS publishes with G8577 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Specialist - other
- Added
- Jan 1, 2010
Where G8577 sits
- 1G codesProcedures and professional services
- 2Active code G8577Re-exploration required due to mediastinal bleeding with or without tamponade, unplanned coronary artery intervention (native, vessel, graft, or both), valve dysfunction, aortic reintervention, or other cardiac reason
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G8577 mean?
G8577 is the HCPCS code for “Re-exploration required due to mediastinal bleeding with or without tamponade, unplanned coronary artery intervention (native, vessel, graft, or both), valve dysfunction, aortic reintervention, or other cardiac reason” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G8577?
CMS lists G8577’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G8577
All G codesG8571Development of deep sternal wound infection/mediastinitis within 30 days postoperativelyG8572No deep sternal wound infection/mediastinitisG8573Stroke following isolated cabg surgeryG8574No stroke following isolated cabg surgeryG8575Developed postoperative renal failure or required dialysisG8576No postoperative renal failure/dialysis not requiredG8578Re-exploration not required due to mediastinal bleeding with or without tamponade, unplanned coronary artery intervention (native, vessel, graft, or both), valve dysfunction…G8579Antiplatelet medication at dischargeG8580Antiplatelet medication contraindicatedG8581No antiplatelet medication at dischargeG8582Beta-blocker at dischargeG8583Beta-blocker contraindicated