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CSTB Gene Test

Mississippi 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?

$316

Typical negotiated rate. In Mississippi, July 2026.

Insurers have agreed to pay about $316 for this service. The price depends on where it is billed: about $295 from a physician practice, and about $339 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$295$209 to $490
FacilityA hospital or hospital-owned outpatient department$339$275 to $490

How much rates vary

Facilitymedian $339 · 10th to 90th $245 to $490Professionalmedian $295 · 10th to 90th $166 to $562
$200$500facility $339professional $295

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
$275.42
Median
$489.78
Typical High
$562.34
Aetna
Setting
Professional
Modifier
Global
Typical Low
$208.93
Median
$316.23
Typical High
$562.34
BCBS
Setting
Facility
Modifier
Global
Typical Low
$338.84
Median
$338.84
Typical High
$338.84
BCBS
Setting
Professional
Modifier
Global
Typical Low
$338.84
Median
$338.84
Typical High
$338.84
Cigna
Setting
Facility
Modifier
Global
Typical Low
$177.83
Median
$186.21
Typical High
$208.93
Cigna
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$213.80
Typical High
$389.05
United
Setting
Facility
Modifier
Global
Typical Low
$245.47
Median
$245.47
Typical High
$275.42
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$165.96
Typical High
$467.74

Where Mississippi 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.

Mississippi· 12th of 51

$316

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.