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CSTB Gene Test

West Virginia 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?

$224

Typical negotiated rate. In West Virginia, July 2026.

Insurers have agreed to pay about $224 for this service. The price depends on where it is billed: about $219 from a physician practice, and about $347 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 4 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$219$204 to $234
FacilityA hospital or hospital-owned outpatient department$347$224 to $417

How much rates vary

Facilitymedian $347 · 10th to 90th $224 to $537Professionalmedian $219 · 10th to 90th $186 to $234
$200$500$1Kfacility $347professional $219

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
$223.87
Median
$346.74
Typical High
$416.87
Aetna
Setting
Professional
Modifier
Global
Typical Low
$186.21
Median
$218.78
Typical High
$234.42
CareSource
Setting
Facility
Modifier
Global
Typical Low
$323.59
Median
$323.59
Typical High
$371.54
CareSource
Setting
Professional
Modifier
Global
Typical Low
$331.13
Median
$331.13
Typical High
$331.13
Cigna
Setting
Facility
Modifier
Global
Typical Low
$269.15
Median
$537.03
Typical High
$831.76
Cigna
Setting
Professional
Modifier
Global
Typical Low
$125.89
Median
$1,318.26
Typical High
$1,318.26
United
Setting
Facility
Modifier
Global
Typical Low
$114.82
Median
$114.82
Typical High
$316.23
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$138.04
Typical High
$302.00

Where West Virginia 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.

West Virginia· 38th of 51

$224

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.