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Antibody Test for an Unspecified Bacterial Infection

Illinois rates for HCPCS 86609

This blood test looks for antibodies the immune system produces in response to a bacterial infection, used when the specific bacteria being investigated does not have a standard named test of its own. It helps support a diagnosis when a more targeted antibody test is not available for the suspected organism.

Rates data updated July 2026.

How much does Antibody Test for an Unspecified Bacterial Infection cost?

$12.59

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $12.59 for this service. The price depends on where it is billed: about $10.00 from a physician practice, and about $21.88 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 7 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$10.00$8.91 to $12.88
FacilityA hospital or hospital-owned outpatient department$21.88$13.49 to $29.51

How much rates vary

Facilitymedian $22 · 10th to 90th $11 to $63Professionalmedian $10 · 10th to 90th $3 to $26
$5$10$20$50$100facility $22professional $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
$10.47
Median
$20.89
Typical High
$38.90
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$10.96
Typical High
$26.30
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$7.76
Typical High
$7.76
BCBS
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$34.67
Typical High
$134.90
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$8.91
Typical High
$10.00
Cigna
Setting
Facility
Modifier
Global
Typical Low
$14.45
Median
$30.20
Typical High
$58.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$15.14
Typical High
$23.44
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$25.12
Typical High
$120.23
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
$16.60
Median
$16.60
Typical High
$16.60
Molina
Setting
Professional
Modifier
Global
Typical Low
$16.22
Median
$16.22
Typical High
$16.22
United
Setting
Facility
Modifier
Global
Typical Low
$7.76
Median
$12.88
Typical High
$25.70
United
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$8.13
Typical High
$12.88

Where Illinois sits

The same service costs 2.6 times more in South Dakota 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· 36th of 51

$12.59

SD $24.55DC $9.55

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.