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Western Blot Protein Test

Rhode Island 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?

$19.50

Typical negotiated rate. In Rhode Island, July 2026.

Insurers have agreed to pay about $19.50 for this service. The price depends on where it is billed: about $17.78 from a physician practice, and about $51.29 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$17.78$12.88 to $17.78
FacilityA hospital or hospital-owned outpatient department$51.29$23.44 to $97.72

How much rates vary

Facilitymedian $51 · 10th to 90th $20 to $110Professionalmedian $18 · 10th to 90th $10 to $34
$5.0$10.0$20.0$50.0$100.0$200.0facility $51professional $18

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
$51.29
Median
$69.18
Typical High
$112.20
Aetna
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$17.78
Typical High
$17.78
BCBS
Setting
Facility
Modifier
Global
Typical Low
$19.50
Median
$20.89
Typical High
$34.67
BCBS
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$12.88
Typical High
$25.70
Cigna
Setting
Facility
Modifier
Global
Typical Low
$28.84
Median
$40.74
Typical High
$70.79
Cigna
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$21.38
Typical High
$26.92
United
Setting
Facility
Modifier
Global
Typical Low
$20.42
Median
$20.42
Typical High
$33.88
United
Setting
Professional
Modifier
Global
Typical Low
$3.16
Median
$12.02
Typical High
$33.88

Where Rhode Island 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.

Rhode Island $19.50 · 27th 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.