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Immunodiffusion Test

Mississippi 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?

$16.22

Typical negotiated rate. In Mississippi, July 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $15.14 from a physician practice, and about $25.12 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 4 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$15.14$11.22 to $25.12
FacilityA hospital or hospital-owned outpatient department$25.12$14.13 to $26.30

How much rates vary

Facilitymedian $25 · 10th to 90th $13 to $26Professionalmedian $15 · 10th to 90th $10 to $29
$10$20facility $25professional $15

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
$25.12
Typical High
$28.84
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.72
Median
$16.22
Typical High
$28.84
BCBS
Setting
Facility
Modifier
Global
Typical Low
$26.30
Median
$26.30
Typical High
$26.30
BCBS
Setting
Professional
Modifier
Global
Typical Low
$26.30
Median
$26.30
Typical High
$26.30
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$15.49
Typical High
$28.18
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.46
Median
$14.79
Typical High
$32.36
United
Setting
Facility
Modifier
Global
Typical Low
$12.59
Median
$14.13
Typical High
$19.05
United
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$10.00
Typical High
$28.84

Where Mississippi sits

The same service costs 2.6 times more in South Dakota 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.

Mississippi· 19th of 51

$16.22

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.