go back

Western Blot Protein Test

Connecticut rates for HCPCS 84181

A laboratory test that uses a technique called a Western blot to detect a specific protein in a sample of blood or other body fluid. It is often used to confirm the results of an earlier screening test, such as one used to check for a particular infection.

Rates data updated July 2026.

How much does Western Blot Protein Test cost?

$16.22

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $15.49 from a physician practice, and about $29.51 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 5 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$15.49$15.49 to $16.22
FacilityA hospital or hospital-owned outpatient department$29.51$20.42 to $37.15

How much rates vary

Facilitymedian $30 · 10th to 90th $17 to $48Professionalmedian $15 · 10th to 90th $10 to $24
$5.0$10.0$20.0$50.0$100.0$200.0facility $30professional $15

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
$16.98
Median
$30.20
Typical High
$47.86
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$15.49
Typical High
$18.20
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$26.92
Typical High
$45.71
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$10.47
Typical High
$26.92
Cigna
Setting
Facility
Modifier
Global
Typical Low
$11.75
Median
$34.67
Typical High
$67.61
Cigna
Setting
Professional
Modifier
Global
Typical Low
$20.89
Median
$25.12
Typical High
$52.48
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$16.98
Typical High
$48.98
United
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$16.98
Typical High
$30.20

Where Connecticut sits

The same service costs 2.6 times more in South Dakota than in Maryland. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Connecticut $16.22 · 37th of 51
SD $33.88MD $12.88

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.