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Immunodiffusion Test

Iowa 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?

$16.98

Typical negotiated rate. In Iowa, July 2026.

Insurers have agreed to pay about $16.98 for this service. The price depends on where it is billed: about $14.13 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 7 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$14.13$10.72 to $33.88
FacilityA hospital or hospital-owned outpatient department$25.12$14.13 to $37.15

How much rates vary

Facilitymedian $25 · 10th to 90th $11 to $41Professionalmedian $14 · 10th to 90th $9 to $93
$10.0$20.0$50.0$100.0facility $25professional $14

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
$10.72
Median
$33.11
Typical High
$40.74
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$10.72
Typical High
$93.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$17.38
Median
$26.92
Typical High
$33.88
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$34.67
Typical High
$93.33
Medica
Setting
Facility
Modifier
Global
Typical Low
$14.13
Median
$18.20
Typical High
$43.65
Medica
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$16.98
Typical High
$36.31
Midlands
Setting
Professional
Modifier
Global
Typical Low
$17.38
Median
$17.38
Typical High
$18.62
Midlands
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$17.38
Typical High
$17.38
United
Setting
Facility
Modifier
Global
Typical Low
$14.13
Median
$14.13
Typical High
$32.36
United
Setting
Professional
Modifier
Global
Typical Low
$8.51
Median
$11.75
Typical High
$35.48
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$14.13
Typical High
$14.13

Where Iowa 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.

Iowa $16.98 · 17th 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.