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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 October 2026.

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

$9.33

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $9.33 for this service. Most negotiated rates run $8.32 to $10.00.

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.

How much rates vary

Facilitymedian $9 · 10th to 90th $7 to $16Professionalmedian $9 · 10th to 90th $6 to $14
$5$10$20facility $9professional $9

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$10.23
CareFirst
Setting
Professional
Modifier
None
Typical Low
$9.12
Median
$10.00
Typical High
$11.22
Cigna
Setting
Facility
Modifier
None
Typical Low
$6.61
Median
$8.71
Typical High
$16.22
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.61
Median
$12.59
Typical High
$30.90
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$12.59
Median
$14.45
Typical High
$24.55
United
Setting
Professional
Modifier
None
Typical Low
$5.62
Median
$7.41
Typical High
$10.47
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$4.90
Median
$12.30
Typical High
$12.30
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
$4.68
Median
$4.68
Typical High
$4.68
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.86
Median
$1.86
Typical High
$1.86

Where Maryland 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.

Maryland· 51st of 51

$9.33

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.