go back

Blood Antibody Test For A Specific Organism

Maryland 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?

$9.33

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $9.33 for this service. The price depends on where it is billed: about $9.33 from a physician practice, and about $155 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$9.33$9.12 to $15.49
FacilityA hospital or hospital-owned outpatient department$155$8.32 to $155

How much rates vary

Facilitymedian $155 · 10th to 90th $5 to $155Professionalmedian $9 · 10th to 90th $8 to $49
$10$20$50$100facility $155professional $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. 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
$154.88
Median
$154.88
Typical High
$154.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.32
Median
$9.33
Typical High
$48.98
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$10.00
Typical High
$12.30
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.61
Median
$8.71
Typical High
$16.22
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$12.59
Typical High
$30.90
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$12.59
Median
$15.14
Typical High
$24.55
United
Setting
Facility
Modifier
Global
Typical Low
$5.25
Median
$5.25
Typical High
$9.55
United
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$7.59
Typical High
$11.75
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$8.71
Typical High
$19.05

Where Maryland 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.

Maryland· 50th of 51

$9.33

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.