CPT code 33971: Aortic assist removal, open approach2026 Medicare rate & RVUs in Mississippi

In Mississippi, Medicare pays $621.03 for 33971 in a facility. There’s no office rate.

Check a contract rate as a % of Medicare · 33971 nationwide

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 33971 covers

This service covers open removal of an intra-aortic balloon assist device, with the surgical exposure needed to remove the device and address the access artery. It is typically performed by a cardiothoracic or vascular surgeon in a hospital when a patient no longer needs temporary aortic support, such as after stabilization from cardiogenic shock or recovery from a cardiac procedure. The open approach distinguishes this service from percutaneous device removal.

Report the code when the operative record supports open removal and identifies the device and access approach. 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 other procedures are subject to the standard 50% multiple-procedure reduction. Modifier 50 is inappropriate. Assistant-at-surgery payment is barred by statutory restriction; co-surgeons and team surgery are not permitted.

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.

How Mississippi compares for 33971

Across 109 of 109 payment localities, the facility rate for 33971 runs from $599.31 in Nebraska to $837.29 in Alaska. Mississippi pays $621.03. The RVUs are the same everywhere; the geographic indexes change the dollars.

Every other payment area

33971 rates by state

Office rate range in each state. Select a state to see its payment localities.

See 33971 in every payment locality

How the 33971 rate is calculated

Each of 33971’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 33971

33971 has a 90-day global period: related visits in that window are included in the surgery payment.

What modifiers do to the payment

When to use modifier 51

Codes related to 33971

Related codes aren’t interchangeable: bill the code that matches the service performed.

How 33971 has changed in Mississippi

Price 33971 for an earlier date of service

Where the Mississippi rate applies

Mississippi is a Medicare payment area, not a city. Our Census mapping connects it to 427 cities and communities in Mississippi. Some span more than one payment area; confirm with the service ZIP.

• Abbeville
• Aberdeen
• Ackerman
• Agricola
• Alcorn State University
• Algoma
• Alligator
• Amory

Browse all communities in Mississippi

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates