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Immunodiffusion Test

South Dakota 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 October 2026.

How much does Immunodiffusion Test cost?

$16.22

Typical negotiated rate. In South Dakota, October 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $16.22 from a physician practice, and about $21.88 from a hospital or other facility.

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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$16.22$9.77 to $28.84
FacilityA hospital or hospital-owned outpatient department$21.88$15.85 to $26.92

How much rates vary

Facilitymedian $22 · 10th to 90th $13 to $54Professionalmedian $16 · 10th to 90th $9 to $34
$10$20$50$100facility $22professional $16

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$9.77
Median
$9.77
Typical High
$15.85
Aetna
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$13.18
Cigna
Setting
Facility
Modifier
None
Typical Low
$26.92
Median
$26.92
Typical High
$26.92
Cigna
Setting
Professional
Modifier
None
Typical Low
$16.22
Median
$26.92
Typical High
$33.88
Medica
Setting
Facility
Modifier
None
Typical Low
$13.49
Median
$15.85
Typical High
$83.18
Medica
Setting
Professional
Modifier
None
Typical Low
$8.51
Median
$12.59
Typical High
$19.50
Sanford Health Plan
Setting
Professional
Modifier
None
Typical Low
$22.91
Median
$33.11
Typical High
$38.90
United
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$9.77
Typical High
$16.98
Wellmark
Setting
Professional
Modifier
None
Typical Low
$14.13
Median
$14.13
Typical High
$14.13

Where South Dakota sits

The same service costs 3.2 times more in Alaska than in Kentucky. 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.

South Dakota· 16th of 51

$16.22

AK $31.62KY $9.77

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.