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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 October 2026.

How much does Western Blot Protein Test cost?

$18.20

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $18.20 for this service. The price depends on where it is billed: about $17.78 from a physician practice, and about $21.88 from a hospital or other facility.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$17.78$12.88 to $25.70
FacilityA hospital or hospital-owned outpatient department$21.88$20.42 to $34.67

How much rates vary

Facilitymedian $22 · 10th to 90th $19 to $60Professionalmedian $18 · 10th to 90th $9 to $34
$5$10$20$50facility $22professional $18

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$15.14
Median
$17.78
Typical High
$17.78
BCBS Rhode Island
Setting
Facility
Modifier
None
Typical Low
$19.50
Median
$20.89
Typical High
$34.67
BCBS Rhode Island
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$12.88
Typical High
$33.88
Cigna
Setting
Facility
Modifier
None
Typical Low
$28.84
Median
$40.74
Typical High
$70.79
Cigna
Setting
Professional
Modifier
None
Typical Low
$18.20
Median
$22.91
Typical High
$51.29
United
Setting
Facility
Modifier
None
Typical Low
$20.42
Median
$20.42
Typical High
$20.42
United
Setting
Professional
Modifier
None
Typical Low
$3.16
Median
$14.13
Typical High
$28.18

Where Rhode Island sits

The same service costs 3.7 times more in Kansas than in New Jersey. 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.

Rhode Island· 28th of 51

$18.20

KS $48.98NJ $13.18

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.