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Rapid Single-Step Immunoassay

Iowa 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?

$12.02

Typical negotiated rate. In Iowa, July 2026.

Insurers have agreed to pay about $12.02 for this service. The price depends on where it is billed: about $11.48 from a physician practice, and about $16.98 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 7 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$11.48$7.41 to $23.44
FacilityA hospital or hospital-owned outpatient department$16.98$9.55 to $25.70

How much rates vary

Facilitymedian $17 · 10th to 90th $7 to $45Professionalmedian $11 · 10th to 90th $6 to $63
$10$20$50$100facility $17professional $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
$7.41
Median
$22.91
Typical High
$69.18
Aetna
Setting
Professional
Modifier
Global
Typical Low
$6.31
Median
$7.41
Typical High
$63.10
Cigna
Setting
Professional
Modifier
Global
Typical Low
$13.80
Median
$18.62
Typical High
$23.44
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$17.38
Typical High
$35.48
Medica
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$12.59
Typical High
$30.20
Medica
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$12.30
Typical High
$24.55
Midlands
Setting
Professional
Modifier
Global
Typical Low
$10.47
Median
$11.75
Typical High
$11.75
Midlands
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$10.47
Typical High
$10.47
United
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$21.38
United
Setting
Professional
Modifier
Global
Typical Low
$8.71
Median
$9.55
Typical High
$22.39
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$9.55
Typical High
$9.55

Where Iowa 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.

Iowa· 8th of 51

$12.02

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.