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Group A Strep Antigen Test, Laboratory Immunoassay

Montana 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.

Facilitymedian $22 · 10th–90th $21$980%50%10th90th$22Professionalmedian $14 · 10th–90th $11$780%20%10th90th$14$10.0$50.0$200.0$1.0K$5.0K$20.0K$100.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$48.98
Median
$81.28
Typical High
$229.09
Aetna
Setting
Professional
Modifier
Global
Typical Low
$11.22
Median
$13.49
Typical High
$83.18
BCBS
Setting
Facility
Modifier
Global
Typical Low
$22.39
Median
$22.39
Typical High
$104.71
BCBS
Setting
Professional
Modifier
Global
Typical Low
$22.39
Median
$22.39
Typical High
$22.39
Cigna
Setting
Facility
Modifier
Global
Typical Low
$25.12
Median
$33.11
Typical High
$95.50
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8.13
Median
$19.50
Typical High
$23.99
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$21.38
Typical High
$51.29
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$16.98
Median
$21.38
Typical High
$51.29
Providence
Setting
Facility
Modifier
Global
Typical Low
$17.38
Median
$33.11
Typical High
$95.50
Providence
Setting
Professional
Modifier
Global
Typical Low
$15.14
Median
$15.14
Typical High
$20.89
United
Setting
Facility
Modifier
Global
Typical Low
$16.98
Median
$16.98
Typical High
$16.98
United
Setting
Professional
Modifier
Global
Typical Low
$6.92
Median
$7.08
Typical High
$16.60