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Immunodiffusion Test

Connecticut rates for HCPCS 86329

A laboratory method in which a sample and a matching reagent spread toward each other through a soft gel and form a visible line where they meet, showing that a specific antibody or protein is present. It is reported for substances that do not have a standard named test of their own. It gives a present-or-absent style answer rather than a precise measured amount.

Rates data updated July 2026.

How much does Immunodiffusion Test cost?

$12.59

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $12.59 for this service. The price depends on where it is billed: about $12.59 from a physician practice, and about $21.88 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$12.59$12.30 to $13.49
FacilityA hospital or hospital-owned outpatient department$21.88$15.49 to $30.90

How much rates vary

Facilitymedian $22 · 10th to 90th $14 to $39Professionalmedian $13 · 10th to 90th $9 to $18
$5.0$10.0$20.0$50.0$100.0facility $22professional $13

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
$14.13
Median
$19.95
Typical High
$41.69
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$12.59
Typical High
$14.79
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$15.14
Median
$21.88
Typical High
$38.02
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$8.51
Typical High
$21.88
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.77
Median
$22.91
Typical High
$56.23
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$16.22
Typical High
$21.38
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$14.13
Typical High
$20.42
United
Setting
Facility
Modifier
Global
Typical Low
$14.13
Median
$14.13
Typical High
$30.20
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$13.18
Typical High
$24.55

Where Connecticut sits

The same service costs 2.6 times more in South Dakota than in Washington, DC. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Connecticut $12.59 · 39th of 51
SD $26.92DC $10.47

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.