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Carbon Dioxide (Bicarbonate) Blood Test

Connecticut rates for HCPCS 82374

This blood test measures the level of bicarbonate, a form of carbon dioxide dissolved in the blood that helps keep the body's acid-base balance in a healthy range. It's a routine part of a basic metabolic panel and helps evaluate kidney function, breathing problems, and overall chemical balance in the blood. An abnormal result can point to a range of issues, from dehydration to a lung or kidney condition.

Rates data updated July 2026.

How much does Carbon Dioxide (Bicarbonate) Blood Test cost?

$4.90

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $4.90 for this service. The price depends on where it is billed: about $4.37 from a physician practice, and about $8.71 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 6 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$4.37$4.37 to $4.68
FacilityA hospital or hospital-owned outpatient department$8.71$6.61 to $13.49

How much rates vary

Facilitymedian $9 · 10th to 90th $5 to $28Professionalmedian $4 · 10th to 90th $3 to $6
$5$20$100$500facility $9professional $4

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
Aetna
Setting
Facility
Modifier
Global
Typical Low
$4.90
Median
$8.91
Typical High
$50.12
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$4.37
Typical High
$5.13
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$7.59
Typical High
$13.18
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$2.40
Median
$2.95
Typical High
$7.59
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.39
Median
$7.76
Typical High
$21.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.31
Median
$5.62
Typical High
$7.59
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$2.29
Median
$4.90
Typical High
$7.24
Health New England
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$15.49
Typical High
$27.54
United
Setting
Facility
Modifier
Global
Typical Low
$4.90
Median
$4.90
Typical High
$10.47
United
Setting
Professional
Modifier
Global
Typical Low
$2.09
Median
$4.57
Typical High
$8.51

Where Connecticut sits

The same service costs 3.0 times more in Iowa than in Washington, DC. 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.

Connecticut· 39th of 51

$4.90

IA $10.96DC $3.63

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.