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Rapid Single-Step Immunoassay

Oregon rates for HCPCS 83518

A quick laboratory test that uses antibodies fixed on a strip or cartridge to detect a substance in a sample. The result appears in one step, as a line or color change, giving a yes-or-no or rough-level answer rather than an exact measurement. What is being looked for depends on what the doctor ordered.

Rates data updated July 2026.

How much does Rapid Single-Step Immunoassay cost?

$10.72

Typical negotiated rate. In Oregon, July 2026.

Insurers have agreed to pay about $10.72 for this service. The price depends on where it is billed: about $10.72 from a physician practice, and about $10.72 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 8 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$10.72$8.91 to $13.49
FacilityA hospital or hospital-owned outpatient department$10.72$9.55 to $18.20

How much rates vary

Facilitymedian $11 · 10th to 90th $10 to $25Professionalmedian $11 · 10th to 90th $6 to $17
$5$10$20$50facility $11professional $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
$12.59
Median
$18.20
Typical High
$43.65
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.47
Median
$9.33
Typical High
$26.92
Cigna
Setting
Facility
Modifier
Global
Typical Low
$15.85
Median
$25.12
Typical High
$30.20
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$10.72
Typical High
$16.98
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$19.95
Median
$21.38
Typical High
$24.55
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$13.18
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$11.48
Typical High
$15.85
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$19.50
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$11.48
Providence
Setting
Facility
Modifier
Global
Typical Low
$8.71
Median
$13.49
Typical High
$28.18
Providence
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$10.96
Typical High
$79.43
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$14.45
Median
$28.84
Typical High
$38.02
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$8.71
Typical High
$11.48
United
Setting
Facility
Modifier
Global
Typical Low
$5.37
Median
$14.45
Typical High
$14.45
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$6.92
Typical High
$11.75

Where Oregon 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.

Oregon· 18th of 51

$10.72

SD $18.62DC $7.24

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.