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Immunodiffusion Test

Arizona 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?

$11.75

Typical negotiated rate. In Arizona, October 2026.

Insurers have agreed to pay about $11.75 for this service. The price depends on where it is billed: about $8.51 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$8.51$7.41 to $10.47
FacilityA hospital or hospital-owned outpatient department$27.54$13.49 to $41.69

How much rates vary

Facilitymedian $28 · 10th to 90th $9 to $65Professionalmedian $9 · 10th to 90th $6 to $16
$10$20$50$100facility $28professional $9

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
$10.72
Median
$44.67
Typical High
$72.44
Aetna
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$12.02
BCBS Arizona
Setting
Facility
Modifier
None
Typical Low
$7.94
Median
$36.31
Typical High
$54.95
BCBS Arizona
Setting
Professional
Modifier
None
Typical Low
$7.41
Median
$11.75
Typical High
$16.98
Cigna
Setting
Facility
Modifier
None
Typical Low
$10.23
Median
$27.54
Typical High
$38.90
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$12.59
Typical High
$21.38
Medica
Setting
Facility
Modifier
None
Typical Low
$10.23
Median
$14.13
Typical High
$120.23
Medica
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$8.32
Typical High
$10.47
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
$8.32
Typical High
$19.50
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
$4.68
Median
$4.68
Typical High
$4.68
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.86
Median
$1.86
Typical High
$1.86

Where Arizona 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.

Arizona· 38th of 51

$11.75

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.