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Immunodiffusion Test

Massachusetts 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?

$15.85

Typical negotiated rate. In Massachusetts, October 2026.

Insurers have agreed to pay about $15.85 for this service. The price depends on where it is billed: about $14.13 from a physician practice, and about $19.95 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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$14.13$11.75 to $20.89
FacilityA hospital or hospital-owned outpatient department$19.95$14.79 to $34.67

How much rates vary

Facilitymedian $20 · 10th to 90th $12 to $49Professionalmedian $14 · 10th to 90th $9 to $39
$10$100$1Kfacility $20professional $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
$13.49
Median
$38.02
Typical High
$63.10
Aetna
Setting
Professional
Modifier
None
Typical Low
$13.49
Median
$13.49
Typical High
$15.85
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$10.47
Median
$15.49
Typical High
$44.67
AllWays Health Partners
Setting
Professional
Modifier
None
Typical Low
$8.51
Median
$14.13
Typical High
$35.48
BCBS Massachusetts
Setting
Facility
Modifier
None
Typical Low
$19.95
Median
$34.67
Typical High
$60.26
BCBS Massachusetts
Setting
Professional
Modifier
None
Typical Low
$13.18
Median
$13.80
Typical High
$17.78
Cigna
Setting
Facility
Modifier
None
Typical Low
$9.33
Median
$19.95
Typical High
$36.31
Cigna
Setting
Professional
Modifier
None
Typical Low
$9.55
Median
$16.98
Typical High
$54.95
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$19.95
Median
$23.44
Typical High
$4,897.79
Fallon Health
Setting
Professional
Modifier
None
Typical Low
$19.95
Median
$19.95
Typical High
$23.44
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$14.13
Typical High
$54.95
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$10.47
Median
$15.49
Typical High
$44.67
Mass General Brigham
Setting
Professional
Modifier
None
Typical Low
$8.51
Median
$14.13
Typical High
$35.48
United
Setting
Facility
Modifier
None
Typical Low
$14.13
Median
$14.13
Typical High
$30.20
United
Setting
Professional
Modifier
None
Typical Low
$5.62
Median
$10.47
Typical High
$29.51
Well Sense
Setting
Facility
Modifier
None
Typical Low
$12.30
Median
$15.49
Typical High
$24.55
Well Sense
Setting
Professional
Modifier
None
Typical Low
$14.79
Median
$14.79
Typical High
$17.38
3 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
$6.76
Median
$6.76
Typical High
$7.94
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.69
Median
$2.69
Typical High
$3.24
Fallon Health
Setting
Facility
Modifier
QW · Waived lab test
Typical Low
$14.13
Median
$18.20
Typical High
$21.88

Where Massachusetts 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.

Massachusetts· 21st of 51

$15.85

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.