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Immunodiffusion Test

South Carolina 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?

$18.62

Typical negotiated rate. In South Carolina, October 2026.

Insurers have agreed to pay about $18.62 for this service. The price depends on where it is billed: about $15.14 from a physician practice, and about $77.62 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$15.14$14.13 to $26.92
FacilityA hospital or hospital-owned outpatient department$77.62$45.71 to $129

How much rates vary

Facilitymedian $78 · 10th to 90th $18 to $174Professionalmedian $15 · 10th to 90th $9 to $31
$10$20$50$100$200facility $78professional $15

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$10.96
Median
$10.96
Typical High
$10.96
Aetna
Setting
Professional
Modifier
None
Typical Low
$10.96
Median
$10.96
Typical High
$11.22
BCBS South Carolina
Setting
Facility
Modifier
None
Typical Low
$44.67
Median
$85.11
Typical High
$177.83
BCBS South Carolina
Setting
Professional
Modifier
None
Typical Low
$14.13
Median
$15.14
Typical High
$30.90
Cigna
Setting
Facility
Modifier
None
Typical Low
$26.30
Median
$35.48
Typical High
$85.11
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$9.12
Typical High
$17.78
Medcost
Setting
Facility
Modifier
None
Typical Low
$10.23
Median
$14.13
Typical High
$19.95
Medcost
Setting
Professional
Modifier
None
Typical Low
$15.85
Median
$22.91
Typical High
$33.11
United
Setting
Facility
Modifier
None
Typical Low
$12.59
Median
$12.59
Typical High
$16.98
United
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$8.51
Typical High
$16.98
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.50
Median
$5.50
Typical High
$5.62
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.19
Median
$2.19
Typical High
$2.24

Where South Carolina 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 Carolina· 11th of 51

$18.62

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.