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Rapid Single-Step Immunoassay

Florida 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?

$7.94

Typical negotiated rate. In Florida, July 2026.

Insurers have agreed to pay about $7.94 for this service. The price depends on where it is billed: about $7.41 from a physician practice, and about $25.70 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$7.41$6.92 to $7.94
FacilityA hospital or hospital-owned outpatient department$25.70$9.55 to $38.90

How much rates vary

Facilitymedian $26 · 10th to 90th $8 to $56Professionalmedian $7 · 10th to 90th $7 to $10
$5$10$20$50$100$200facility $26professional $7

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
$8.51
Median
$27.54
Typical High
$173.78
Aetna
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$7.41
Typical High
$9.33
AvMed
Setting
Facility
Modifier
Global
Typical Low
$8.51
Median
$9.55
Typical High
$11.22
AvMed
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$9.55
Typical High
$12.30
Cigna
Setting
Facility
Modifier
Global
Typical Low
$6.31
Median
$10.47
Typical High
$27.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.13
Median
$8.71
Typical High
$17.38
Florida Blue
Setting
Facility
Modifier
Global
Typical Low
$9.12
Median
$17.78
Typical High
$66.07
Florida Blue
Setting
Professional
Modifier
Global
Typical Low
$4.79
Median
$11.75
Typical High
$13.80
Molina
Setting
Professional
Modifier
Global
Typical Low
$1.26
Median
$5.01
Typical High
$6.31
United
Setting
Facility
Modifier
Global
Typical Low
$4.17
Median
$8.71
Typical High
$10.47
United
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$6.92
Typical High
$11.75
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$6.31
Median
$6.31
Typical High
$6.31

Where Florida 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.

Florida· 42nd of 51

$7.94

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.