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Immunodiffusion Test

Missouri 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?

$16.98

Typical negotiated rate. In Missouri, October 2026.

Insurers have agreed to pay about $16.98 for this service. The price depends on where it is billed: about $13.80 from a physician practice, and about $27.54 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$13.80$8.51 to $28.84
FacilityA hospital or hospital-owned outpatient department$27.54$18.62 to $48.98

How much rates vary

Facilitymedian $28 · 10th to 90th $14 to $120Professionalmedian $14 · 10th to 90th $7 to $29
$10$20$50$100facility $28professional $14

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
$12.02
Median
$19.50
Typical High
$25.70
Aetna
Setting
Professional
Modifier
None
Typical Low
$12.02
Median
$12.30
Typical High
$13.49
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$14.13
Median
$14.13
Typical High
$64.57
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$6.92
Median
$22.39
Typical High
$35.48
BCBS Kansas City
Setting
Facility
Modifier
None
Typical Low
$21.38
Median
$28.18
Typical High
$52.48
Cigna
Setting
Facility
Modifier
None
Typical Low
$18.62
Median
$30.90
Typical High
$81.28
Cigna
Setting
Professional
Modifier
None
Typical Low
$8.13
Median
$15.85
Typical High
$30.20
Medica
Setting
Facility
Modifier
None
Typical Low
$12.59
Median
$34.67
Typical High
$120.23
Medica
Setting
Professional
Modifier
None
Typical Low
$6.31
Median
$10.00
Typical High
$18.20
United
Setting
Facility
Modifier
None
Typical Low
$12.59
Median
$12.59
Typical High
$12.59
United
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$10.47
Typical High
$19.05
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
$6.03
Median
$6.03
Typical High
$8.13
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.40
Median
$2.40
Typical High
$3.24

Where Missouri 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.

Missouri· 14th of 51

$16.98

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.