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Western Blot Protein Test

Maryland 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?

$12.88

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $12.88 for this service. The price depends on where it is billed: about $12.88 from a physician practice, and about $95.50 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$12.88$12.59 to $20.89
FacilityA hospital or hospital-owned outpatient department$95.50$11.48 to $170

How much rates vary

Facilitymedian $95 · 10th to 90th $7 to $170Professionalmedian $13 · 10th to 90th $10 to $66
$1.0$10.0$100.0facility $95professional $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
$95.50
Median
$169.82
Typical High
$169.82
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$12.88
Typical High
$66.07
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$13.49
Typical High
$15.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$11.75
Typical High
$21.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$0.35
Median
$21.88
Typical High
$58.88
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$20.42
Typical High
$33.11
United
Setting
Facility
Modifier
Global
Typical Low
$7.08
Median
$8.32
Typical High
$13.49
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$10.23
Typical High
$14.45
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$11.75
Typical High
$25.70

Where Maryland 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.

Maryland $12.88 · 51st 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.