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CSTB Gene Test

Delaware rates for HCPCS 81189

Looks for changes in the CSTB gene in a blood or saliva sample. Changes in this gene cause a rare inherited disorder that begins in childhood or the teenage years and brings muscle jerks, seizures, and worsening balance. Testing is used to confirm a suspected diagnosis or to check relatives.

Rates data updated July 2026.

How much does CSTB Gene Test cost?

$186

Typical negotiated rate. In Delaware, July 2026.

Insurers have agreed to pay about $186 for this service. Most negotiated rates run $145 to $234.

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

Facilitymedian $316 · 10th to 90th $98 to $316Professionalmedian $186 · 10th to 90th $145 to $832
$100$200$500facility $316professional $186

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
$97.72
Median
$316.23
Typical High
$316.23
Aetna
Setting
Professional
Modifier
Global
Typical Low
$144.54
Median
$186.21
Typical High
$831.76
Cigna
Setting
Facility
Modifier
Global
Typical Low
$177.83
Median
$177.83
Typical High
$177.83
Cigna
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$134.90
Typical High
$371.54
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$165.96
Typical High
$416.87

Where Delaware sits

The same service costs 3.3 times more in Alaska than in Delaware. 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.

Delaware· 51st of 51

$186

AK $617DE $186

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.