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Blood Antibody Test For A Specific Organism

Connecticut 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 October 2026.

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

$11.75

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $11.75 for this service. Most negotiated rates run $7.59 to $17.78.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $18 · 10th to 90th $13 to $33Professionalmedian $9 · 10th to 90th $6 to $18
$10$20$50facility $18professional $9

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$11.22
Typical High
$11.22
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$12.88
Median
$17.38
Typical High
$30.90
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$6.17
Median
$7.59
Typical High
$17.78
Cigna
Setting
Facility
Modifier
None
Typical Low
$8.32
Median
$19.95
Typical High
$45.71
Cigna
Setting
Professional
Modifier
None
Typical Low
$8.32
Median
$12.88
Typical High
$20.42
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$7.41
Median
$10.00
Typical High
$18.62
United
Setting
Professional
Modifier
None
Typical Low
$5.25
Median
$8.71
Typical High
$21.88
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.13
Median
$5.62
Typical High
$5.62
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.04
Median
$2.29
Typical High
$2.29

Where Connecticut sits

The same service costs 3.5 times more in South Carolina than in Maryland. 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.

Connecticut· 31st of 51

$11.75

SC $32.36MD $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.