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Antibody Test For A Specific Infection

Washington, DC 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?

$8.91

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $8.91 for this service. The price depends on where it is billed: about $8.91 from a physician practice, and about $19.95 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 5 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$8.91$8.91 to $8.91
FacilityA hospital or hospital-owned outpatient department$19.95$8.91 to $41.69

How much rates vary

Facilitymedian $20 · 10th to 90th $9 to $68Professionalmedian $9 · 10th to 90th $9 to $34
$10$20$50$100facility $20professional $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
$8.91
Median
$35.48
Typical High
$67.61
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.91
Median
$8.91
Typical High
$8.91
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$27.54
Median
$48.98
Typical High
$131.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$19.05
Median
$19.95
Typical High
$44.67
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$13.49
Typical High
$91.20
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$22.91
Median
$22.91
Typical High
$23.99
United
Setting
Facility
Modifier
Global
Typical Low
$6.92
Median
$14.13
Typical High
$36.31
United
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$7.08
Typical High
$16.60

Where Washington, DC 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.

Washington, DC· 51st of 51

$8.91

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.