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Western Blot Protein Test

North Carolina 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?

$14.79

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $14.79 for this service. The price depends on where it is billed: about $13.49 from a physician practice, and about $18.20 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$13.49$13.49 to $19.95
FacilityA hospital or hospital-owned outpatient department$18.20$14.45 to $52.48

How much rates vary

Facilitymedian $18 · 10th to 90th $13 to $331Professionalmedian $13 · 10th to 90th $10 to $22
$5.0$20.0$100.0$500.0facility $18professional $13

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
$13.49
Median
$18.20
Typical High
$954.99
Aetna
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$13.49
Typical High
$22.39
BCBS
Setting
Facility
Modifier
Global
Typical Low
$28.84
Median
$50.12
Typical High
$50.12
BCBS
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$7.59
Typical High
$10.96
Cigna
Setting
Facility
Modifier
Global
Typical Low
$11.75
Median
$33.11
Typical High
$77.62
Cigna
Setting
Professional
Modifier
Global
Typical Low
$18.20
Median
$20.89
Typical High
$44.67
Medcost
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$31.62
Typical High
$107.15
Medcost
Setting
Facility
Modifier
Global
Typical Low
$14.45
Median
$16.22
Typical High
$26.30
Medcost
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$23.44
Typical High
$100.00
United
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$20.42
Typical High
$29.51
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$10.23
Typical High
$23.99
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$194.98
Median
$194.98
Typical High
$194.98

Where North Carolina 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.

North Carolina $14.79 · 44th 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.