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Group A Strep Antigen Test, Laboratory Immunoassay

North Carolina 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 October 2026.

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

$13.49

Typical negotiated rate. In North Carolina, October 2026.

Insurers have agreed to pay about $13.49 for this service. The price depends on where it is billed: about $11.22 from a physician practice, and about $17.78 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$11.22$8.13 to $15.49
FacilityA hospital or hospital-owned outpatient department$17.78$13.49 to $37.15

How much rates vary

Facilitymedian $18 · 10th to 90th $12 to $59Professionalmedian $11 · 10th to 90th $8 to $20
$10$20$50facility $18professional $11

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$12.88
Median
$13.49
Typical High
$31.62
Aetna
Setting
Professional
Modifier
None
Typical Low
$11.48
Median
$13.49
Typical High
$19.95
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$6.76
Median
$6.76
Typical High
$6.76
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$2.69
Median
$2.69
Typical High
$2.69
Ambetter
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$7.08
Typical High
$7.08
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$37.15
Median
$48.98
Typical High
$48.98
BCBS North Carolina
Setting
Professional
Modifier
None
Typical Low
$12.59
Median
$12.59
Typical High
$12.59
Cigna
Setting
Facility
Modifier
None
Typical Low
$11.48
Median
$37.15
Typical High
$75.86
Cigna
Setting
Professional
Modifier
None
Typical Low
$7.59
Median
$13.18
Typical High
$20.42
Medcost
Setting
Professional
Modifier
None
Typical Low
$10.00
Median
$28.84
Typical High
$28.84
Medcost
Setting
Facility
Modifier
None
Typical Low
$10.96
Median
$13.49
Typical High
$23.99
Medcost
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$16.60
Typical High
$23.99
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$8.13
Typical High
$16.98

Where North Carolina sits

The same service costs 3.6 times more in Alaska than in Alabama. 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.

North Carolina· 37th of 51

$13.49

AK $38.02AL $10.47

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.