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Bypass Machine Support During Valve Replacement

Montana rates for HCPCS 33368

Covers the use of a heart-lung bypass machine to take over circulation and oxygen delivery while a replacement aortic valve is put in through a catheter. It is provided in addition to the valve procedure itself, when the heart cannot be relied on to maintain circulation during the implant. A perfusion team runs the machine and the patient is returned to their own circulation afterward.

Rates data updated October 2026.

How much does Bypass Machine Support During Valve Replacement cost?

$1,122

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $1,122 for this service. The price depends on where it is billed: about $1,047 from a physician practice, and about $1,148 from a hospital or other facility.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$1,047$741 to $1,175
FacilityA hospital or hospital-owned outpatient department$1,148$1,148 to $1,175

How much rates vary

Facilitymedian $1,148 · 10th to 90th $813 to $1,349Professionalmedian $1,047 · 10th to 90th $79 to $1,349
$100$200$500$1K$2Kfacility $1,148professional $1,047

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$831.76
Median
$831.76
Typical High
$2,187.76
Cigna
Setting
Facility
Modifier
None
Typical Low
$1,122.02
Median
$1,122.02
Typical High
$1,122.02
Cigna
Setting
Professional
Modifier
None
Typical Low
$1,122.02
Median
$1,122.02
Typical High
$1,122.02
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$1,148.15
Median
$1,174.90
Typical High
$1,348.96
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$741.31
Median
$741.31
Typical High
$1,230.27
Providence
Setting
Facility
Modifier
None
Typical Low
$1,122.02
Median
$1,122.02
Typical High
$1,122.02
Providence
Setting
Professional
Modifier
None
Typical Low
$79.43
Median
$1,000.00
Typical High
$1,174.90
United
Setting
Facility
Modifier
None
Typical Low
$602.56
Median
$954.99
Typical High
$1,862.09
United
Setting
Professional
Modifier
None
Typical Low
$1,122.02
Median
$1,258.93
Typical High
$1,862.09

Where Montana sits

The same service costs 3.8 times more in Wisconsin than in New York. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Montana· 21st of 51

$1,122

WI $2,951NY $776

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.