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Antibody Test For A Specific Infection

Illinois rates for HCPCS 86631

This blood test checks for antibodies produced by the immune system in response to a particular infectious organism. Finding these antibodies usually indicates past or current exposure to that organism, which can help a clinician confirm a suspected diagnosis. It is ordered when a specific infection is being considered based on a patient's symptoms or history.

Rates data updated July 2026.

How much does Antibody Test For A Specific Infection cost?

$11.48

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $11.48 for this service. The price depends on where it is billed: about $9.12 from a physician practice, and about $19.50 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 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$9.12$8.13 to $12.02
FacilityA hospital or hospital-owned outpatient department$19.50$12.02 to $26.92

How much rates vary

Facilitymedian $19 · 10th to 90th $10 to $49Professionalmedian $9 · 10th to 90th $3 to $24
$5$10$20$50$100facility $19professional $9

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
$9.77
Median
$18.62
Typical High
$33.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.47
Typical High
$23.99
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$7.24
Typical High
$7.24
BCBS
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$32.36
Typical High
$123.03
BCBS
Setting
Professional
Modifier
Global
Typical Low
$3.47
Median
$8.13
Typical High
$9.12
Cigna
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$26.92
Typical High
$54.95
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.17
Median
$13.80
Typical High
$21.88
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$12.88
Median
$22.91
Typical High
$131.83
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
$15.49
Median
$15.49
Typical High
$15.49
Molina
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$6.46
Typical High
$6.46
United
Setting
Facility
Modifier
Global
Typical Low
$7.08
Median
$11.75
Typical High
$23.44
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$7.59
Typical High
$11.75

Where Illinois sits

The same service costs 2.4 times more in Hawaii 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· 30th of 51

$11.48

HI $21.38DC $8.91

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.