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Bypass Machine Support During Valve Replacement

Maryland 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?

$832

Typical physician fee. In Maryland, October 2026.

Insurers have agreed to pay about $832 for this service. Most negotiated rates run $646 to $1,000.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $562 · 10th to 90th $302 to $1,380Professionalmedian $851 · 10th to 90th $676 to $1,514
$100$200$500$1K$2Kfacility $562professional $851

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
$891.25
Typical High
$912.01
CareFirst
Setting
Professional
Modifier
None
Typical Low
$758.58
Median
$851.14
Typical High
$851.14
Cigna
Setting
Facility
Modifier
None
Typical Low
$489.78
Median
$602.56
Typical High
$2,691.53
Cigna
Setting
Professional
Modifier
None
Typical Low
$676.08
Median
$831.76
Typical High
$1,905.46
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$691.83
Median
$812.83
Typical High
$1,479.11
United
Setting
Facility
Modifier
None
Typical Low
$257.04
Median
$537.03
Typical High
$1,230.27
United
Setting
Professional
Modifier
None
Typical Low
$676.08
Median
$1,000.00
Typical High
$1,995.26
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$645.65
Median
$645.65
Typical High
$1,071.52
5 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$416.87
Median
$446.68
Typical High
$446.68
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$165.96
Median
$177.83
Typical High
$181.97
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$630.96
Median
$676.08
Typical High
$676.08
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$125.89
Median
$134.90
Typical High
$134.90
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$83.18
Median
$89.13
Typical High
$91.20

Where Maryland 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.

Maryland· 48th of 51

$832

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.