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)

Active code Carrier judgment

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
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
M5D Specialist - 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

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