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Rapid Single-Step Immunoassay

Utah 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?

$8.91

Typical negotiated rate. In Utah, July 2026.

Insurers have agreed to pay about $8.91 for this service. The price depends on where it is billed: about $8.51 from a physician practice, and about $44.67 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 6 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$8.51$7.41 to $9.12
FacilityA hospital or hospital-owned outpatient department$44.67$10.96 to $47.86

How much rates vary

Facilitymedian $45 · 10th to 90th $9 to $63Professionalmedian $9 · 10th to 90th $7 to $11
$5$10$20$50facility $45professional $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
$8.91
Median
$47.86
Typical High
$63.10
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$8.91
Typical High
$10.96
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.32
Median
$10.00
Typical High
$26.30
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.25
Median
$7.24
Typical High
$16.22
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$10.96
Median
$10.96
Typical High
$38.90
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$8.13
Typical High
$8.71
Select Health
Setting
Facility
Modifier
Global
Typical Low
$6.76
Median
$6.76
Typical High
$6.76
Select Health
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$9.55
Typical High
$12.59
U of Utah Health Plan
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$8.51
Typical High
$14.45
United
Setting
Facility
Modifier
Global
Typical Low
$4.79
Median
$4.79
Typical High
$6.31
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$7.08
Typical High
$11.75

Where Utah 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.

Utah· 35th of 51

$8.91

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.