go back

CSTB Gene Test

Louisiana 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?

$347

Typical negotiated rate. In Louisiana, July 2026.

Insurers have agreed to pay about $347 for this service. The price depends on where it is billed: about $324 from a physician practice, and about $372 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$324$275 to $355
FacilityA hospital or hospital-owned outpatient department$372$324 to $692

How much rates vary

Facilitymedian $372 · 10th to 90th $275 to $1,000Professionalmedian $324 · 10th to 90th $138 to $977
$100$200$500$1Kfacility $372professional $324

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
$371.54
Typical High
$1,000.00
Aetna
Setting
Professional
Modifier
Global
Typical Low
$165.96
Median
$331.13
Typical High
$1,819.70
BCBS
Setting
Facility
Modifier
Global
Typical Low
$302.00
Median
$524.81
Typical High
$851.14
BCBS
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$302.00
Typical High
$338.84
Christus
Setting
Facility
Modifier
Global
Typical Low
$275.42
Median
$275.42
Typical High
$275.42
Cigna
Setting
Facility
Modifier
Global
Typical Low
$309.03
Median
$602.56
Typical High
$2,089.30
Cigna
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$138.04
Typical High
$416.87
United
Setting
Facility
Modifier
Global
Typical Low
$114.82
Median
$245.47
Typical High
$275.42
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$138.04
Typical High
$389.05

Where Louisiana 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.

Louisiana· 7th of 51

$347

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.