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General-Purpose Immunoassay Lab Test

Washington, DC 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?

$20.89

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $20.89 for this service. The price depends on where it is billed: about $8.71 from a physician practice, and about $40.74 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 5 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$8.71$8.71 to $8.71
FacilityA hospital or hospital-owned outpatient department$40.74$20.89 to $148

How much rates vary

Facilitymedian $41 · 10th to 90th $9 to $182Professionalmedian $9 · 10th to 90th $9 to $50
$5.0$10.0$20.0$50.0$100.0facility $41professional $9

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
$8.71
Median
$40.74
Typical High
$181.97
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$8.71
Typical High
$8.71
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$31.62
Median
$56.23
Typical High
$128.82
Cigna
Setting
Facility
Modifier
Global
Typical Low
$18.62
Median
$19.50
Typical High
$43.65
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.31
Median
$16.60
Typical High
$89.13
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$22.39
Median
$22.39
Typical High
$23.44
United
Setting
Facility
Modifier
Global
Typical Low
$6.76
Median
$13.80
Typical High
$39.81
United
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$7.24
Typical High
$23.99

Where Washington, DC 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, DC $20.89 · 11th 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.