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Western Blot Protein Test

Massachusetts 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?

$22.39

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $22.39 for this service. The price depends on where it is billed: about $16.98 from a physician practice, and about $38.02 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 9 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$16.98$16.22 to $25.70
FacilityA hospital or hospital-owned outpatient department$38.02$23.99 to $50.12

How much rates vary

Facilitymedian $38 · 10th to 90th $17 to $85Professionalmedian $17 · 10th to 90th $15 to $52
$5$20$100$500$2Kfacility $38professional $17

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
$45.71
Typical High
$125.89
Aetna
Setting
Professional
Modifier
Global
Typical Low
$15.49
Median
$16.22
Typical High
$75.86
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$23.99
Typical High
$194.98
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$16.98
Typical High
$43.65
BCBS
Setting
Facility
Modifier
Global
Typical Low
$30.20
Median
$38.02
Typical High
$60.26
BCBS
Setting
Professional
Modifier
Global
Typical Low
$15.85
Median
$15.85
Typical High
$21.88
Cigna
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$26.92
Typical High
$43.65
Cigna
Setting
Professional
Modifier
Global
Typical Low
$19.50
Median
$22.91
Typical High
$61.66
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$23.99
Typical High
$1,995.26
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$18.62
Median
$23.44
Typical High
$30.90
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$51.29
Health New England
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$58.88
Typical High
$61.66
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$15.49
Median
$23.99
Typical High
$194.98
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$16.98
Typical High
$43.65
United
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$16.98
Typical High
$25.12
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$15.49
Typical High
$45.71

Where Massachusetts sits

The same service costs 2.6 times more in South Dakota than in Maryland. 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.

Massachusetts· 9th of 51

$22.39

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.