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Immunodiffusion Test

Tennessee 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?

$11.48

Typical negotiated rate. In Tennessee, October 2026.

Insurers have agreed to pay about $11.48 for this service. The price depends on where it is billed: about $10.72 from a physician practice, and about $28.18 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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$10.72$8.32 to $15.85
FacilityA hospital or hospital-owned outpatient department$28.18$15.85 to $30.90

How much rates vary

Facilitymedian $28 · 10th to 90th $10 to $50Professionalmedian $11 · 10th to 90th $6 to $17
$10$20$50facility $28professional $11

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
$10.47
Median
$11.22
Typical High
$21.38
Aetna
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$11.22
Typical High
$17.38
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$5.25
Median
$5.50
Typical High
$8.51
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.09
Median
$2.24
Typical High
$3.39
BCBS Tennessee
Setting
Professional
Modifier
None
Typical Low
$7.24
Median
$15.49
Typical High
$16.98
Cigna
Setting
Facility
Modifier
None
Typical Low
$10.47
Median
$28.84
Typical High
$54.95
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$9.12
Typical High
$19.95
United
Setting
Facility
Modifier
None
Typical Low
$30.20
Median
$30.20
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$8.71
Typical High
$17.78

Where Tennessee 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.

Tennessee· 42nd of 51

$11.48

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.