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Western Blot Protein Test

Kentucky 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?

$19.50

Typical negotiated rate. In Kentucky, October 2026.

Insurers have agreed to pay about $19.50 for this service. The price depends on where it is billed: about $19.95 from a physician practice, and about $14.79 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$19.95$14.45 to $36.31
FacilityA hospital or hospital-owned outpatient department$14.79$13.80 to $30.90

How much rates vary

Facilitymedian $15 · 10th to 90th $10 to $31Professionalmedian $20 · 10th to 90th $8 to $48
$5$10$20$50$100facility $15professional $20

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
Facility
Modifier
None
Typical Low
$8.51
Median
$13.80
Typical High
$14.45
Aetna
Setting
Professional
Modifier
None
Typical Low
$8.51
Median
$14.45
Typical High
$16.98
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$9.77
Median
$15.85
Typical High
$16.60
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$19.95
Typical High
$47.86
CareSource
Setting
Facility
Modifier
None
Typical Low
$16.98
Median
$20.42
Typical High
$23.99
CareSource
Setting
Professional
Modifier
None
Typical Low
$16.98
Median
$21.38
Typical High
$33.88
Cigna
Setting
Facility
Modifier
None
Typical Low
$13.18
Median
$30.90
Typical High
$36.31
Cigna
Setting
Professional
Modifier
None
Typical Low
$17.78
Median
$57.54
Typical High
$104.71
Molina
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
United
Setting
Professional
Modifier
None
Typical Low
$4.27
Median
$13.49
Typical High
$24.55
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$4.27
Median
$7.08
Typical High
$8.51
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.70
Median
$2.88
Typical High
$3.39

Where Kentucky 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.

Kentucky· 23rd of 51

$19.50

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.