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Rapid Single-Step Immunoassay

Michigan 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?

$9.12

Typical negotiated rate. In Michigan, July 2026.

Insurers have agreed to pay about $9.12 for this service. The price depends on where it is billed: about $9.12 from a physician practice, and about $9.12 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 6 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$9.12$7.24 to $9.55
FacilityA hospital or hospital-owned outpatient department$9.12$9.12 to $11.48

How much rates vary

Facilitymedian $9 · 10th to 90th $9 to $17Professionalmedian $9 · 10th to 90th $7 to $12
$5$10$20facility $9professional $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
$8.71
Median
$9.12
Typical High
$16.98
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$9.12
Typical High
$11.48
BCBS
Setting
Facility
Modifier
Global
Typical Low
$7.24
Median
$10.96
Typical High
$19.05
BCBS
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$7.24
Typical High
$7.24
Cigna
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$11.22
Typical High
$13.80
Health Alliance Plan
Setting
Facility
Modifier
Global
Typical Low
$8.91
Median
$9.12
Typical High
$28.18
Health Alliance Plan
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$11.22
Typical High
$15.14
Priority Health
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$11.22
Typical High
$11.48
United
Setting
Facility
Modifier
Global
Typical Low
$5.75
Median
$9.55
Typical High
$9.55
United
Setting
Professional
Modifier
Global
Typical Low
$5.75
Median
$11.75
Typical High
$12.02

Where Michigan 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.

Michigan· 31st of 51

$9.12

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.