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Antithrombin Activity Test

Connecticut rates for HCPCS 85300

This blood test measures how well a natural protein that helps regulate blood clotting is working. It is used to help investigate an unexplained tendency to form blood clots.

Rates data updated July 2026.

Facilitymedian $21 · 10th–90th $12$500%10%10th90th$21Professionalmedian $10 · 10th–90th $6$130%50%10th90th$10$5.0$10.0$20.0$50.0$100.0$200.0

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
$11.75
Median
$21.38
Typical High
$85.11
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9.33
Median
$10.00
Typical High
$11.75
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$12.88
Median
$18.62
Typical High
$32.36
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$7.24
Typical High
$16.98
Cigna
Setting
Facility
Modifier
Global
Typical Low
$8.13
Median
$19.05
Typical High
$47.86
Cigna
Setting
Professional
Modifier
Global
Typical Low
$7.94
Median
$13.49
Typical High
$18.62
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$5.62
Median
$11.75
Typical High
$17.38
Health New England
Setting
Facility
Modifier
Global
Typical Low
$64.57
Median
$64.57
Typical High
$64.57
United
Setting
Facility
Modifier
Global
Typical Low
$11.75
Median
$11.75
Typical High
$11.75
United
Setting
Professional
Modifier
Global
Typical Low
$5.89
Median
$10.23
Typical High
$20.89