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Antibody Test For A Specific Infection

Massachusetts 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?

$13.49

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $13.49 for this service. The price depends on where it is billed: about $11.75 from a physician practice, and about $29.51 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 9 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$11.75$11.22 to $16.60
FacilityA hospital or hospital-owned outpatient department$29.51$17.78 to $38.02

How much rates vary

Facilitymedian $30 · 10th to 90th $11 to $72Professionalmedian $12 · 10th to 90th $9 to $32
$10$50$200$1Kfacility $30professional $12

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
$11.75
Median
$30.90
Typical High
$100.00
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$11.22
Typical High
$52.48
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$10.72
Median
$16.60
Typical High
$72.44
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$11.75
Typical High
$28.84
BCBS
Setting
Facility
Modifier
Global
Typical Low
$23.44
Median
$29.51
Typical High
$46.77
BCBS
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$11.22
Typical High
$15.14
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$18.62
Typical High
$30.90
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$13.49
Typical High
$30.90
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$57.54
Typical High
$7,079.46
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$17.38
Median
$17.38
Typical High
$20.42
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$11.75
Median
$11.75
Typical High
$36.31
Health New England
Setting
Facility
Modifier
Global
Typical Low
$12.59
Median
$30.90
Typical High
$93.33
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$10.72
Median
$16.60
Typical High
$72.44
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$11.75
Typical High
$28.84
United
Setting
Facility
Modifier
Global
Typical Low
$6.76
Median
$11.75
Typical High
$17.38
United
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$10.72
Typical High
$30.20

Where Massachusetts 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.

Massachusetts· 21st of 51

$13.49

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.