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Brain Artery Ultrasound Reactivity Test

Colorado 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 does Brain Artery Ultrasound Reactivity Test cost?

$955

Typical negotiated rate. In Colorado, July 2026.

Insurers have agreed to pay about $955 for this service. Most negotiated rates run $513 to $1,230.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Professionalmedian $955 · 10th to 90th $490 to $1,479
$500.0$1.0K$2.0Kprofessional $955

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
Cigna
Setting
Professional
Modifier
Global
Typical Low
$851.14
Median
$1,174.90
Typical High
$1,479.11
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$147.91
Median
$199.53
Typical High
$257.04
Cigna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$707.95
Median
$977.24
Typical High
$1,230.27
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$489.78
Median
$512.86
Typical High
$512.86
Kaiser Permanente
Setting
Professional
Modifier
26 · Professional part
Typical Low
$112.20
Median
$117.49
Typical High
$117.49
Kaiser Permanente
Setting
Professional
Modifier
TC · Technical part
Typical Low
$371.54
Median
$389.05
Typical High
$389.05
United
Setting
Professional
Modifier
Global
Typical Low
$281.84
Median
$575.44
Typical High
$2,187.76
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$95.50
Median
$186.21
Typical High
$380.19
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$478.63
Median
$912.01
Typical High
$1,819.70

Where Colorado sits

The same service costs 16.6 times more in New Hampshire than in Florida. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Colorado $955 · 13th of 43
NH $1,950FL $117

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.