go back

Electrical Pathway Surgery Using The Bypass Machine

Illinois rates for HCPCS 33251

Open-heart surgery that finds and destroys the extra electrical pathway or small patch of tissue in the upper part of the heart that is setting off bursts of very fast heartbeat. The abnormal tissue is mapped and then destroyed so the signal can no longer cross it. In this version the heart-lung bypass machine takes over the circulation while the heart is worked on.

Rates data updated October 2026.

How much does Electrical Pathway Surgery Using The Bypass Machine cost?

$2,138

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $2,138 for this service. The price depends on where it is billed: about $2,188 from a physician practice, and about $1,778 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$2,188$1,950 to $2,884
FacilityA hospital or hospital-owned outpatient department$1,778$708 to $4,169

How much rates vary

Facilitymedian $1,778 · 10th to 90th $513 to $15,136Professionalmedian $2,188 · 10th to 90th $1,698 to $3,802
$100$1K$10Kfacility $1,778professional $2,188

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
Facility
Modifier
None
Typical Low
$1,023.29
Median
$3,235.94
Typical High
$9,772.37
Aetna
Setting
Professional
Modifier
None
Typical Low
$1,778.28
Median
$1,995.26
Typical High
$2,570.40
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$8,912.51
Median
$19,054.61
Typical High
$38,018.94
Cigna
Setting
Facility
Modifier
None
Typical Low
$512.86
Median
$758.58
Typical High
$2,511.89
Cigna
Setting
Professional
Modifier
None
Typical Low
$1,778.28
Median
$2,089.30
Typical High
$3,311.31
Hally Health
Setting
Professional
Modifier
None
Typical Low
$1,621.81
Median
$2,570.40
Typical High
$5,623.41
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$1,819.70
Median
$2,089.30
Typical High
$2,344.23
Molina
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
United
Setting
Facility
Modifier
None
Typical Low
$489.78
Median
$1,258.93
Typical High
$7,079.46
United
Setting
Professional
Modifier
None
Typical Low
$1,698.24
Median
$2,454.71
Typical High
$3,801.89
6 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
$891.25
Median
$1,000.00
Typical High
$1,000.00
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$354.81
Median
$407.38
Typical High
$407.38
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$1,348.96
Median
$1,513.56
Typical High
$1,513.56
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$269.15
Median
$302.00
Typical High
$302.00
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$177.83
Median
$199.53
Typical High
$199.53
Aetna
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$1,258.93
Median
$1,412.54
Typical High
$1,412.54

Where Illinois sits

The same service costs 5.5 times more in Alaska than in Texas. 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.

Illinois· 30th of 51

$2,138

AK $6,457TX $1,175

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.