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Breathing Response To Carbon Dioxide Test

Wisconsin rates for HCPCS 94400

A test of how strongly your breathing increases when the carbon dioxide level in the air you breathe is raised. You breathe through a mouthpiece while the gas mixture is adjusted and the depth and rate of your breathing are recorded, showing how sensitively the body's breathing control responds.

Rates data updated July 2026.

How much does Breathing Response To Carbon Dioxide Test cost?

$174

Typical negotiated rate. In Wisconsin, July 2026.

Insurers have agreed to pay about $174 for this service. The price depends on where it is billed: about $174 from a physician practice, and about $186 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 4 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$174$155 to $479
FacilityA hospital or hospital-owned outpatient department$186$162 to $191

How much rates vary

Facilitymedian $186 · 10th to 90th $123 to $240Professionalmedian $174 · 10th to 90th $98 to $479
$100$200$500facility $186professional $174

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Cigna
Setting
Facility
Modifier
Global
Typical Low
$141.25
Median
$165.96
Typical High
$263.03
Cigna
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$154.88
Typical High
$173.78
Medica
Setting
Facility
Modifier
Global
Typical Low
$123.03
Median
$186.21
Typical High
$186.21
Medica
Setting
Professional
Modifier
Global
Typical Low
$478.63
Median
$478.63
Typical High
$478.63
Molina
Setting
Professional
Modifier
Global
Typical Low
$50.12
Median
$58.88
Typical High
$70.79
Quartz
Setting
Facility
Modifier
Global
Typical Low
$117.49
Median
$186.21
Typical High
$186.21
Quartz
Setting
Professional
Modifier
Global
Typical Low
$309.03
Median
$478.63
Typical High
$478.63

Where Wisconsin sits

The same service costs 15.8 times more in Oklahoma than in South Carolina. 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.

Wisconsin· 25th of 41

$174

OK $479SC $30.20

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.