go back

Immunodiffusion Test

Louisiana 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 Louisiana, October 2026.

Insurers have agreed to pay about $16.98 for this service. The price depends on where it is billed: about $12.88 from a physician practice, and about $26.92 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$12.88$8.32 to $16.60
FacilityA hospital or hospital-owned outpatient department$26.92$18.62 to $40.74

How much rates vary

Facilitymedian $27 · 10th to 90th $15 to $56Professionalmedian $13 · 10th to 90th $6 to $21
$10$20$50facility $27professional $13

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
$14.79
Median
$19.05
Typical High
$72.44
Aetna
Setting
Facility
Modifier
52 · Reduced service
Typical Low
$7.41
Median
$9.55
Typical High
$36.31
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$2.95
Median
$3.80
Typical High
$14.45
Aetna
Setting
Professional
Modifier
None
Typical Low
$13.49
Median
$16.98
Typical High
$18.20
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$7.41
Median
$8.51
Typical High
$9.12
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.95
Median
$3.39
Typical High
$3.63
BCBS Louisiana
Setting
Facility
Modifier
None
Typical Low
$17.38
Median
$28.18
Typical High
$53.70
BCBS Louisiana
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$15.49
Typical High
$20.89
Christus
Setting
Facility
Modifier
None
Typical Low
$39.81
Median
$39.81
Typical High
$39.81
Cigna
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$30.20
Typical High
$85.11
Cigna
Setting
Professional
Modifier
None
Typical Low
$6.46
Median
$9.55
Typical High
$16.22
United
Setting
Facility
Modifier
None
Typical Low
$5.89
Median
$12.59
Typical High
$14.13
United
Setting
Professional
Modifier
None
Typical Low
$5.89
Median
$8.32
Typical High
$25.12

Where Louisiana 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.

Louisiana· 12th 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.