G8577 – 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
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG8577
- Long description
- 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
- Short description
- Reop req bld grft oth
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
M5DSpecialist - other- Added
- January 1, 2010
- Last change
- January 1, 2025 – No change
Frequently asked questions
What is HCPCS code G8577?
G8577 is a HCPCS Level II 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.
Does Medicare cover G8577?
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
- G8569 – Prolonged postoperative intubation (> 24 hrs) required
- G8570 – Prolonged postoperative intubation (> 24 hrs) not required
- G8571 – Development of deep sternal wound infection/mediastinitis within 30 days postoperatively
- G8572 – No deep sternal wound infection/mediastinitis
- G8573 – Stroke following isolated cabg surgery
- G8574 – No stroke following isolated cabg surgery
- G8575 – Developed postoperative renal failure or required dialysis
- G8576 – No postoperative renal failure/dialysis not required
- G8578 – Re-exploration not 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
- G8579 – Antiplatelet medication at discharge
- G8580 – Antiplatelet medication contraindicated
- G8581 – No antiplatelet medication at discharge
- G8582 – Beta-blocker at discharge
- G8583 – Beta-blocker contraindicated
- G8584 – No beta-blocker at discharge
- G8585 – Anti-lipid treatment at discharge
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.