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Immunodiffusion Test

Maryland 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 July 2026.

How much does Immunodiffusion Test cost?

$10.47

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $10.47 for this service. Most negotiated rates run $9.77 to $17.38.

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.

How much rates vary

Facilitymedian $9 · 10th to 90th $6 to $30Professionalmedian $10 · 10th to 90th $8 to $23
$5$10$20$50$100facility $9professional $10

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$10.47
Typical High
$22.91
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$3.24
Median
$11.22
Typical High
$13.80
Cigna
Setting
Facility
Modifier
Global
Typical Low
$7.41
Median
$9.77
Typical High
$18.20
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.76
Median
$13.80
Typical High
$34.67
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$16.22
Typical High
$20.89
United
Setting
Facility
Modifier
Global
Typical Low
$5.89
Median
$9.12
Typical High
$30.20
United
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$6.61
Typical High
$11.75
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$5.50
Median
$9.77
Typical High
$20.89

Where Maryland sits

The same service costs 2.6 times more in South Dakota than in Washington, DC. 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.

Maryland· 50th of 51

$10.47

SD $26.92DC $10.47

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.