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Group A Strep Antigen Test, Laboratory Immunoassay

New Jersey 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?

$11.75

Typical negotiated rate. In New Jersey, October 2026.

Insurers have agreed to pay about $11.75 for this service. The price depends on where it is billed: about $11.75 from a physician practice, and about $20.89 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$11.75$8.51 to $13.18
FacilityA hospital or hospital-owned outpatient department$20.89$9.77 to $48.98

How much rates vary

Facilitymedian $21 · 10th to 90th $9 to $79Professionalmedian $12 · 10th to 90th $8 to $19
$10$20$50$100facility $21professional $12

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
$8.51
Median
$9.77
Typical High
$21.38
Aetna
Setting
Professional
Modifier
None
Typical Low
$8.51
Median
$9.77
Typical High
$21.88
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$4.27
Median
$4.27
Typical High
$6.76
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$1.70
Median
$1.70
Typical High
$2.69
AmeriHealth
Setting
Facility
Modifier
None
Typical Low
$436.52
Median
$436.52
Typical High
$436.52
AmeriHealth
Setting
Professional
Modifier
None
Typical Low
$9.33
Median
$9.33
Typical High
$29.51
Cigna
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$37.15
Typical High
$81.28
Cigna
Setting
Professional
Modifier
None
Typical Low
$8.13
Median
$16.22
Typical High
$25.70
Emblem Health
Setting
Professional
Modifier
None
Typical Low
$6.76
Median
$8.32
Typical High
$10.00
Horizon BCBS
Setting
Facility
Modifier
None
Typical Low
$15.49
Median
$16.98
Typical High
$151.36
Horizon BCBS
Setting
Professional
Modifier
None
Typical Low
$11.75
Median
$11.75
Typical High
$11.75
United
Setting
Facility
Modifier
None
Typical Low
$15.14
Median
$15.14
Typical High
$15.14
United
Setting
Professional
Modifier
None
Typical Low
$7.08
Median
$10.00
Typical High
$14.13

Where New Jersey 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.

New Jersey· 47th of 51

$11.75

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.