Both codes describe heart wound repair. The distinguishing factor is cardiopulmonary bypass: 33305 is for repair with bypass, while 33300 is for repair without it.
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CMS RVU26D · Effective 2026-10-01
33305 Heart wound repair Medicare reimbursement rates in Vermont
Report this code when a surgeon repairs a wound of the heart using cardiopulmonary bypass, such as during emergency surgery for cardiac injury. Compare 33305 office and facility rates across CMS payment localities in Vermont.
Amounts below use the non-QP conversion factor for participating physicians. These are base physician payments before claim-level adjustments, not patient costs or total hospital charges.
What does Medicare pay for 33305 in Vermont?
Vermont has 1 payment locality in this comparison. Use the service location to choose the applicable amount. These are the supported base rates for the payment area shown below, using the same CMS release.
Office / nonfacility
No supported rate
Facility setting
$3453.34
1 of 1 localities have a supported rate.
Payment area: Vermont
One mapped payment locality.
These are locality ranges, not averages or address-specific quotes. A facility-setting amount covers the physician service; it does not include a hospital’s separate bill. Choose a locality below to inspect its calculation, compare other payment areas, or price a percentage of Medicare.
Cardiac surgery
About 33305: Heart wound repair with bypass
Report this code when a surgeon repairs a wound of the heart using cardiopulmonary bypass, such as during emergency surgery for cardiac injury.
A cardiac surgeon uses this code to repair a wound in the heart while the patient is supported by cardiopulmonary bypass. A typical setting is a hospital operating room during urgent surgery for a penetrating chest injury or an injury to the heart wall. The service is the repair itself, not exploration alone; the operative record should identify the heart injury and document that bypass was used during repair.
Choose this code rather than 33300 when cardiopulmonary bypass supports the repair. Document the injury, repair performed, and bypass use in the operative report. The code has a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. When multiple procedures are performed in the same session, the highest-valued procedure is paid in full and others are subject to the standard 50% reduction. Modifier 50 is inappropriate for this code. CMS may pay an assistant at surgery; co-surgeon payment requires supporting documentation, and team surgery is not permitted.
CMS billing rules for 33305
- Global period
- Major surgery with a 90-day global period: the day-before preoperative visit and 90 days of related postoperative care are included.
- Multiple procedures
- Standard multiple procedure reduction: the highest-valued procedure is paid in full and others at 50% when performed in the same session.
- Bilateral procedures
- Bilateral adjustment does not apply; the descriptor or anatomy makes modifier 50 inappropriate.
- Assistant at surgery
- Assistant at surgery may be paid.
- Co-surgeons
- Co-surgeons paid only with supporting documentation.
- Team surgery
- Team surgery not permitted.
Where the value comes from
- Work RVU75.01 · 66%
- Practice expense (office) RVU19.13 · 17%
- Malpractice RVU18.66 · 17%
276
Medicare services in 2024 · #4057 by national volume
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
33305 compared with similar codes
Office rates for Vermont, from the same CMS release.
This code is for heart exploration without bypass when no wound repair is performed. Report 33305 when the surgeon repairs a heart wound using bypass.
This code is for heart exploration with bypass without wound repair. A completed heart wound repair with bypass points to 33305.
33320 concerns repair of a major blood vessel. Use 33305 when the injured structure being repaired is the heart.
Compare 33305 by payment locality
Find the payment area for your service address, then open its rate page for calculation inputs, release history and the percentage-of-Medicare tool. A city may cross payment-area boundaries; the ZIP lookup above helps resolve the location.
1 of 1 payment localities
Vermont →
Office / nonfacility
Unavailable
Facility
$3453.34
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How this local rate is calculated
Each RVU component is multiplied by its own geographic practice cost index (GPCI). The three adjusted components are added, then multiplied by the conversion factor. These are the inputs used for 33305 in Vermont.
PPRRVU2026_Oct_nonQPP.csv
3,912
- Code
- 33305
- Physician work
- 75.01
- Practice expense
- 19.13
- Malpractice
- 18.66
GPCI2026.csv
105
- Locality
- Vermont
- Physician work
- 1.000
- Practice expense
- 0.990
- Malpractice
- 0.506
| Component | RVU | Locality factor | Adjusted |
|---|---|---|---|
| Physician work | 75.01 | × 1.000 | 75.0100 |
| Practice expense | 19.13 | × 0.990 | 18.9387 |
| Malpractice | 18.66 | × 0.506 | 9.4420 |
| Total RVUs | 103.3907 | ||
| Conversion factor | × 33.4009 | ||
Facility rate, Vermont$3453.34
Explore RVUs, geographic factors and the full formula
Facility
| Component | RVU | Local GPCI |
|---|---|---|
| Work | 75.01 | 1 |
| Practice expense | 19.13 | 0.99 |
| Malpractice | 18.66 | 0.506 |
(75.01 × 1 + 19.13 × 0.99 + 18.66 × 0.506) × $33.4009 = $3453.34
The office and facility calculations use their respective practice-expense RVUs. The facility amount here is the physician fee, not a separate hospital or facility bill.
33305 billing questions
How does 33305 differ from 33300?
Use 33305 when cardiopulmonary bypass is used for the heart wound repair. Use 33300 for repair without bypass.
Can 33305 be reported for exploration without a repair?
No. This code represents repair of a heart wound with bypass. When the surgeon explores the heart but does not repair a wound, consider the applicable exploration code instead.
Should modifier 50 be appended for wounds on both sides of the heart?
No. Modifier 50 is inappropriate for this code; CMS does not apply a bilateral adjustment.
What postoperative care is included in the global period?
The 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care.
Can an assistant or co-surgeon be reported?
CMS may pay an assistant at surgery. Co-surgeon payment requires supporting documentation, and team surgery is not permitted.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense, and malpractice RVUs, adjusted by each locality’s geographic indices and the applicable conversion factor. Unavailable or separately priced services are labeled rather than assigned a made-up amount.
Source: RVU26D. Effective 2026-10-01 through the day before 2027-01-01.
