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Group A Strep Antigen Test, Laboratory Immunoassay

Massachusetts 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?

$19.05

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $19.05 for this service. The price depends on where it is billed: about $16.98 from a physician practice, and about $33.88 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 9 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$16.98$13.18 to $26.92
FacilityA hospital or hospital-owned outpatient department$33.88$21.38 to $48.98

How much rates vary

Facilitymedian $34 · 10th to 90th $13 to $78Professionalmedian $17 · 10th to 90th $11 to $47
$10$20$50$100facility $34professional $17

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
$13.18
Median
$38.02
Typical High
$85.11
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10.96
Median
$13.18
Typical High
$51.29
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$19.05
Typical High
$79.43
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$15.85
Typical High
$40.74
BCBS
Setting
Facility
Modifier
Global
Typical Low
$26.92
Median
$33.88
Typical High
$48.98
BCBS
Setting
Professional
Modifier
Global
Typical Low
$14.79
Median
$15.85
Typical High
$15.85
Cigna
Setting
Facility
Modifier
Global
Typical Low
$11.48
Median
$20.42
Typical High
$35.48
Cigna
Setting
Professional
Modifier
Global
Typical Low
$9.12
Median
$18.20
Typical High
$29.51
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$22.91
Typical High
$4,897.79
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$18.62
Median
$21.88
Typical High
$28.84
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$38.02
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$12.30
Median
$19.05
Typical High
$79.43
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$15.85
Typical High
$40.74
Tufts
Setting
Facility
Modifier
Global
Typical Low
$11.75
Median
$18.20
Typical High
$28.84
United
Setting
Facility
Modifier
Global
Typical Low
$8.32
Median
$15.14
Typical High
$19.95
United
Setting
Professional
Modifier
Global
Typical Low
$9.55
Median
$15.49
Typical High
$38.90

Where Massachusetts 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.

Massachusetts· 21st of 51

$19.05

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.