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Western Blot Protein Test

Pennsylvania 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?

$20.89

Typical negotiated rate. In Pennsylvania, July 2026.

Insurers have agreed to pay about $20.89 for this service. The price depends on where it is billed: about $13.80 from a physician practice, and about $43.65 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$13.80$13.49 to $16.22
FacilityA hospital or hospital-owned outpatient department$43.65$25.12 to $70.79

How much rates vary

Facilitymedian $44 · 10th to 90th $14 to $100Professionalmedian $14 · 10th to 90th $13 to $41
$10.0$100.0$1.0K$10.0Kfacility $44professional $14

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
$14.45
Median
$43.65
Typical High
$79.43
Aetna
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$13.80
Typical High
$39.81
Capital Blue Cross
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$123.03
Typical High
$8,511.38
Capital Blue Cross
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$13.18
Typical High
$16.22
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$25.70
Typical High
$57.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$30.90
Typical High
$63.10
Emblem Health
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$10.00
Typical High
$24.55
Geisinger
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
Geisinger
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$19.05
Typical High
$29.51
Highmark BCBS
Setting
Facility
Modifier
Global
Typical Low
$25.12
Median
$42.66
Typical High
$100.00
Highmark BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.23
Median
$10.23
Typical High
$12.88
Martin's Point
Setting
Facility
Modifier
Global
Typical Low
$14.45
Median
$43.65
Typical High
$81.28
Martin's Point
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$14.45
Typical High
$50.12
UPMC Health Plan
Setting
Facility
Modifier
Global
Typical Low
$37.15
Median
$87.10
Typical High
$154.88
UPMC Health Plan
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$16.98
Typical High
$23.99
United
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$15.49
Typical High
$20.42
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$10.96
Typical High
$29.51

Where Pennsylvania 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.

Pennsylvania $20.89 · 17th 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.