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Group A Strep Antigen Test, Laboratory Immunoassay

Idaho rates for HCPCS 87430

Checks a throat swab for proteins from group A streptococcus, the bacterium behind strep throat, using an instrument-read laboratory immunoassay. It is the laboratory version of the test rather than the strip read by eye during an office visit. Results generally come back the same day, so a decision about antibiotics need not wait for a culture to grow.

Rates data updated July 2026.

How much does Group A Strep Antigen Test, Laboratory Immunoassay cost?

$25.12

Typical negotiated rate. In Idaho, July 2026.

Insurers have agreed to pay about $25.12 for this service. The price depends on where it is billed: about $15.85 from a physician practice, and about $54.95 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 7 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$15.85$12.30 to $21.88
FacilityA hospital or hospital-owned outpatient department$54.95$38.02 to $91.20

How much rates vary

Facilitymedian $55 · 10th to 90th $20 to $102Professionalmedian $16 · 10th to 90th $11 to $33
$10$20$50$100facility $55professional $16

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
$38.90
Median
$56.23
Typical High
$114.82
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$15.85
Typical High
$33.11
BCBS
Setting
Facility
Modifier
Global
Typical Low
$19.50
Median
$39.81
Typical High
$63.10
BCBS
Setting
Professional
Modifier
Global
Typical Low
$14.45
Median
$16.60
Typical High
$81.28
Cigna
Setting
Facility
Modifier
Global
Typical Low
$13.18
Median
$34.67
Typical High
$66.07
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.24
Median
$12.59
Typical High
$23.99
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$23.44
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$17.78
Typical High
$19.95
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$25.12
Median
$33.88
Typical High
$60.26
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$13.49
Median
$14.45
Typical High
$17.78
Select Health
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$29.51
Select Health
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$7.08
Median
$7.08
Typical High
$19.95

Where Idaho sits

The same service costs 4.5 times more in Wyoming than in Connecticut. 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.

Idaho· 7th of 51

$25.12

WY $48.98CT $10.96

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.