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Rapid Single-Step Immunoassay

New Hampshire 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?

$14.45

Typical negotiated rate. In New Hampshire, July 2026.

Insurers have agreed to pay about $14.45 for this service. The price depends on where it is billed: about $9.33 from a physician practice, and about $28.18 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$9.33$6.31 to $17.78
FacilityA hospital or hospital-owned outpatient department$28.18$18.20 to $40.74

How much rates vary

Facilitymedian $28 · 10th to 90th $13 to $55Professionalmedian $9 · 10th to 90th $6 to $34
$5$10$20$50facility $28professional $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
$13.49
Median
$28.18
Typical High
$67.61
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$8.71
Typical High
$33.88
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$16.60
Median
$18.62
Typical High
$54.95
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$4.17
Median
$6.31
Typical High
$18.62
Cigna
Setting
Facility
Modifier
Global
Typical Low
$17.78
Median
$36.31
Typical High
$58.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$6.03
Median
$9.77
Typical High
$27.54
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$16.98
Typical High
$33.11
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$9.55
Typical High
$22.39

Where New Hampshire 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 Hampshire· 6th of 51

$14.45

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.