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Rapid Single-Step Immunoassay

Kansas 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?

$10.23

Typical negotiated rate. In Kansas, July 2026.

Insurers have agreed to pay about $10.23 for this service. The price depends on where it is billed: about $8.32 from a physician practice, and about $22.39 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$8.32$8.32 to $10.23
FacilityA hospital or hospital-owned outpatient department$22.39$10.47 to $29.51

How much rates vary

Facilitymedian $22 · 10th to 90th $10 to $45Professionalmedian $8 · 10th to 90th $7 to $17
$10$20$50facility $22professional $8

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
$9.33
Median
$20.89
Typical High
$26.92
Aetna
Setting
Professional
Modifier
Global
Typical Low
$6.76
Median
$8.32
Typical High
$9.55
BCBS
Setting
Facility
Modifier
Global
Typical Low
$28.18
Median
$42.66
Typical High
$44.67
BCBS
Setting
Professional
Modifier
Global
Typical Low
$16.60
Median
$16.60
Typical High
$16.60
Cigna
Setting
Facility
Modifier
Global
Typical Low
$5.89
Median
$13.80
Typical High
$21.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.68
Median
$11.22
Typical High
$34.67
Medica
Setting
Facility
Modifier
Global
Typical Low
$8.71
Median
$10.47
Typical High
$18.20
Medica
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$9.55
Typical High
$15.49
United
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$9.55
Typical High
$11.48
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$9.55
Typical High
$16.98

Where Kansas 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.

Kansas· 23rd of 51

$10.23

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.