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Rapid Single-Step Immunoassay

New York 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?

$8.71

Typical negotiated rate. In New York, July 2026.

Insurers have agreed to pay about $8.71 for this service. The price depends on where it is billed: about $7.08 from a physician practice, and about $15.85 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 9 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$7.08$4.37 to $9.55
FacilityA hospital or hospital-owned outpatient department$15.85$9.77 to $22.91

How much rates vary

Facilitymedian $16 · 10th to 90th $8 to $30Professionalmedian $7 · 10th to 90th $4 to $16
$5$10$20$50facility $16professional $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
$7.76
Median
$16.98
Typical High
$28.84
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$7.59
Typical High
$11.75
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$25.12
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$4.17
Median
$4.17
Typical High
$17.38
CDPHP
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$9.55
Typical High
$9.55
CDPHP
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$9.55
Typical High
$9.55
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.33
Median
$20.89
Typical High
$63.10
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$12.59
Typical High
$54.95
Emblem Health
Setting
Facility
Modifier
Global
Typical Low
$6.46
Median
$11.22
Typical High
$26.30
Emblem Health
Setting
Professional
Modifier
Global
Typical Low
$4.57
Median
$6.76
Typical High
$18.62
Excellus BCBS
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$9.55
Typical High
$11.48
MVP Health Care
Setting
Facility
Modifier
Global
Typical Low
$10.47
Median
$18.20
Typical High
$257.04
MVP Health Care
Setting
Professional
Modifier
Global
Typical Low
$5.37
Median
$8.51
Typical High
$19.95
United
Setting
Facility
Modifier
Global
Typical Low
$6.46
Median
$11.48
Typical High
$13.80
United
Setting
Professional
Modifier
Global
Typical Low
$4.37
Median
$7.41
Typical High
$25.12
Univera
Setting
Facility
Modifier
Global
Typical Low
$7.24
Median
$10.96
Typical High
$30.90
Univera
Setting
Professional
Modifier
Global
Typical Low
$7.59
Median
$10.00
Typical High
$33.88

Where New York 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.

New York· 36th of 51

$8.71

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.