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Rapid Single-Step Immunoassay

Virginia 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?

$8.13

Typical negotiated rate. In Virginia, July 2026.

Insurers have agreed to pay about $8.13 for this service. The price depends on where it is billed: about $7.24 from a physician practice, and about $10.47 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 8 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$7.24$6.76 to $8.13
FacilityA hospital or hospital-owned outpatient department$10.47$9.55 to $21.38

How much rates vary

Facilitymedian $10 · 10th to 90th $8 to $48Professionalmedian $7 · 10th to 90th $4 to $18
$10$100$1K$10Kfacility $10professional $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
$7.24
Median
$20.42
Typical High
$38.02
Aetna
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$7.24
Typical High
$16.22
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$9.55
Median
$9.55
Typical High
$38.90
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$4.07
Median
$4.17
Typical High
$7.08
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$25.12
Median
$39.81
Typical High
$53.70
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9.77
Median
$20.89
Typical High
$42.66
Cigna
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$7.76
Typical High
$12.30
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$11.48
Typical High
$14.13
Medcost
Setting
Professional
Modifier
Global
Typical Low
$3.89
Median
$14.13
Typical High
$16.60
Medcost
Setting
Facility
Modifier
Global
Typical Low
$7.76
Median
$10.47
Typical High
$10.47
Medcost
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$7.24
Typical High
$20.42
Sentara
Setting
Facility
Modifier
Global
Typical Low
$5.62
Median
$12.88
Typical High
$10,000.00
Sentara
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$13.18
Typical High
$10,000.00
United
Setting
Facility
Modifier
Global
Typical Low
$4.07
Median
$9.55
Typical High
$14.45
United
Setting
Professional
Modifier
Global
Typical Low
$4.68
Median
$7.08
Typical High
$11.75

Where Virginia 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.

Virginia· 40th of 51

$8.13

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.