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Antibody Test for an Unspecified Bacterial Infection

Maryland 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?

$10.23

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $10.23 for this service. The price depends on where it is billed: about $9.55 from a physician practice, and about $58.88 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 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$9.55$9.55 to $15.85
FacilityA hospital or hospital-owned outpatient department$58.88$8.91 to $67.61

How much rates vary

Facilitymedian $59 · 10th to 90th $5 to $69Professionalmedian $10 · 10th to 90th $8 to $50
$10$20$50facility $59professional $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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$64.57
Typical High
$69.18
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$10.72
Typical High
$50.12
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.89
Median
$10.23
Typical High
$12.59
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.76
Median
$8.91
Typical High
$16.60
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$12.88
Typical High
$31.62
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$12.88
Median
$15.49
Typical High
$25.12
United
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$5.37
Typical High
$9.77
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$7.76
Typical High
$12.02
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$8.91
Typical High
$19.50

Where Maryland 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.

Maryland· 49th of 51

$10.23

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.