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CSTB Gene Test

Kansas 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?

$275

Typical negotiated rate. In Kansas, July 2026.

Insurers have agreed to pay about $275 for this service. The price depends on where it is billed: about $269 from a physician practice, and about $479 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 5 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$269$204 to $347
FacilityA hospital or hospital-owned outpatient department$479$295 to $603

How much rates vary

Facilitymedian $479 · 10th to 90th $251 to $646Professionalmedian $269 · 10th to 90th $166 to $347
$200$500$1Kfacility $479professional $269

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
$288.40
Median
$478.63
Typical High
$645.65
Aetna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$239.88
Typical High
$295.12
BCBS
Setting
Professional
Modifier
Global
Typical Low
$346.74
Median
$346.74
Typical High
$346.74
Cigna
Setting
Facility
Modifier
Global
Typical Low
$223.87
Median
$478.63
Typical High
$616.60
Cigna
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$169.82
Typical High
$398.11
Medica
Setting
Facility
Modifier
Global
Typical Low
$218.78
Median
$295.12
Typical High
$371.54
Medica
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$165.96
Typical High
$1,380.38
United
Setting
Facility
Modifier
Global
Typical Low
$165.96
Median
$275.42
Typical High
$331.13
United
Setting
Professional
Modifier
Global
Typical Low
$123.03
Median
$165.96
Typical High
$416.87

Where Kansas 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.

Kansas· 16th of 51

$275

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.