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Brain Artery Ultrasound Reactivity Test

Maine rates for HCPCS 93890

An ultrasound study of the arteries inside the head that measures how well they can widen when challenged — by breathing a carbon dioxide mixture or by a medicine that dilates vessels. A probe held against the skull tracks the speed of blood flow before and after the challenge, showing how much spare capacity the brain's circulation still has.

Rates data updated July 2026.

How much rates vary

Professionalmedian $347 · 10th to 90th $288 to $562
$500.0professional $347

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
United
Setting
Professional
Modifier
Global
Typical Low
$288.40
Median
$346.74
Typical High
$562.34
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$48.98
Median
$57.54
Typical High
$83.18
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$239.88
Median
$281.84
Typical High
$467.74