go back

Blood Antibody Test For A Specific Organism

Illinois rates for HCPCS 86784

This blood test looks for antibodies your immune system produced in response to a particular infectious organism. A positive result generally means you have been exposed to or infected by that organism at some point, while further testing sometimes distinguishes a recent infection from a past one. It is typically ordered when a specific infection is suspected based on symptoms or exposure history.

Rates data updated July 2026.

How much does Blood Antibody Test For A Specific Organism cost?

$10.72

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $10.72 for this service. The price depends on where it is billed: about $9.77 from a physician practice, and about $20.42 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$9.77$7.59 to $12.59
FacilityA hospital or hospital-owned outpatient department$20.42$12.88 to $28.84

How much rates vary

Facilitymedian $20 · 10th to 90th $11 to $69Professionalmedian $10 · 10th to 90th $3 to $26
$5$10$20$50$100facility $20professional $10

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
$10.23
Median
$19.95
Typical High
$37.15
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.77
Median
$10.72
Typical High
$26.92
BCBS
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$51.29
Typical High
$158.49
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$8.71
Typical High
$9.77
Cigna
Setting
Facility
Modifier
Global
Typical Low
$14.13
Median
$29.51
Typical High
$57.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$14.45
Typical High
$22.91
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$13.18
Median
$24.55
Typical High
$151.36
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$16.22
Typical High
$16.22
Molina
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$6.92
Typical High
$15.85
United
Setting
Facility
Modifier
Global
Typical Low
$7.59
Median
$12.59
Typical High
$25.12
United
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$7.59
Typical High
$12.59

Where Illinois sits

The same service costs 2.5 times more in Oklahoma than in Washington, DC. 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.

Illinois· 42nd of 51

$10.72

OK $22.91DC $9.33

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.