go back

General-Purpose Immunoassay Lab Test

Washington 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 July 2026.

How much does General-Purpose Immunoassay Lab Test cost?

$13.80

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $13.80 for this service. The price depends on where it is billed: about $10.96 from a physician practice, and about $30.90 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$10.96$10.23 to $14.13
FacilityA hospital or hospital-owned outpatient department$30.90$15.14 to $57.54

How much rates vary

Facilitymedian $31 · 10th to 90th $11 to $91Professionalmedian $11 · 10th to 90th $9 to $50
$5.0$10.0$20.0$50.0$100.0$200.0$500.0facility $31professional $11

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. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$45.71
Typical High
$109.65
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.00
Median
$11.22
Typical High
$70.79
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$21.38
Median
$21.38
Typical High
$21.38
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$14.45
Typical High
$31.62
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$10.47
Typical High
$11.75
Cigna
Setting
Facility
Modifier
Global
Typical Low
$12.02
Median
$24.55
Typical High
$41.69
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$12.02
Typical High
$18.20
Molina
Setting
Professional
Modifier
Global
Typical Low
$7.41
Median
$10.23
Typical High
$12.30
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$23.44
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$11.48
Median
$11.48
Typical High
$12.59
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$19.95
Typical High
$31.62
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$10.47
Typical High
$13.80
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$17.38
Typical High
$30.90
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$10.47
Typical High
$11.48
United
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$13.80
Typical High
$13.80
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$6.61
Typical High
$13.80

Where Washington sits

The same service costs 4.5 times more in South Dakota than in Nevada. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington $13.80 · 26th of 51
SD $45.71NV $10.23

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.