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General-Purpose Immunoassay Lab Test

Montana rates for HCPCS 83516

A laboratory test that uses an antibody-based method to detect and measure a specific substance in a sample, applied when there is no more specific, dedicated test already established for that particular substance. It is a general-purpose test format applied to a wide range of possible substances rather than one single, named analyte.

Rates data updated October 2026.

How much does General-Purpose Immunoassay Lab Test cost?

$16.22

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $16.22 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $20.42 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$11.48$6.92 to $15.49
FacilityA hospital or hospital-owned outpatient department$20.42$17.38 to $26.92

How much rates vary

Facilitymedian $20 · 10th to 90th $15 to $65Professionalmedian $11 · 10th to 90th $5 to $21
$5$10$20$50$100$200facility $20professional $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
$26.92
Median
$64.57
Typical High
$199.53
Aetna
Setting
Professional
Modifier
None
Typical Low
$10.96
Median
$11.48
Typical High
$17.38
BCBS Montana
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$15.49
Typical High
$39.81
BCBS Montana
Setting
Professional
Modifier
None
Typical Low
$15.49
Median
$15.49
Typical High
$15.49
Cigna
Setting
Facility
Modifier
None
Typical Low
$17.38
Median
$22.39
Typical High
$66.07
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.94
Median
$13.18
Typical High
$16.60
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$14.45
Median
$19.95
Typical High
$26.92
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$15.49
Median
$17.38
Typical High
$21.38
Providence
Setting
Facility
Modifier
None
Typical Low
$16.60
Median
$22.39
Typical High
$66.07
Providence
Setting
Professional
Modifier
None
Typical Low
$10.47
Median
$10.47
Typical High
$11.48
United
Setting
Professional
Modifier
None
Typical Low
$4.79
Median
$4.79
Typical High
$11.48

Where Montana sits

The same service costs 5.2 times more in Minnesota than in Maryland. 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.

Montana· 11th of 51

$16.22

MN $45.71MD $8.71

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.