CPT code 33949: ECMO management, venoarterial support2026 Medicare rate & RVUs in Montana

In Montana, Medicare pays $209.04 for 33949 in a facility. There’s no office rate.

Check a contract rate as a % of Medicare · 33949 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 33949 covers

Code 33949 represents a physician’s daily management of venoarterial extracorporeal membrane oxygenation or extracorporeal life support. This support configuration returns oxygenated blood to the arterial circulation and may be used for severe cardiac or combined cardiopulmonary failure. Management typically occurs in an intensive care setting while the patient remains on support, with physician involvement from specialties such as critical care or cardiothoracic surgery.

Report the service for each date on which the physician provides the daily management, rather than for ECMO initiation or a cannula procedure. The record should support the physician’s assessment of the patient and circuit, management decisions, and any adjustments made to the support plan. Select this code for venoarterial support; the parallel daily-management code 33948 is for venovenous support.

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 Montana compares for 33949

Across 109 of 109 payment localities, the facility rate for 33949 runs from $190.32 in Wisconsin to $275.04 in Alaska. Montana pays $209.04. The RVUs are the same everywhere; the geographic indexes change the dollars.

Every other payment area

33949 rates by state

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

See 33949 in every payment locality

How the 33949 rate is calculated

Each of 33949’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 33949

33949 has no global surgery period, no multiple-procedure, bilateral or assistant-at-surgery adjustment, and no professional/technical split. What changes the payment is where the service happens: the place of service on the claim decides whether Medicare pays the office or the facility rate.

Codes related to 33949

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

How 33949 has changed in Montana

Price 33949 for an earlier date of service

Where the Montana rate applies

Montana is a Medicare payment area, not a city. Our Census mapping connects it to 497 cities and communities in Montana. Some span more than one payment area; confirm with the service ZIP.

• Absarokee
• Acton
• Alberton
• Alder
• Alzada
• Amsterdam
• Anaconda-Deer Lodge County
• Antelope

Browse all communities in Montana

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