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CSTB Gene Test

Missouri 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 Missouri, July 2026.

Insurers have agreed to pay about $275 for this service. The price depends on where it is billed: about $240 from a physician practice, and about $355 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 6 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$240$166 to $324
FacilityA hospital or hospital-owned outpatient department$355$275 to $479

How much rates vary

Facilitymedian $355 · 10th to 90th $269 to $631Professionalmedian $240 · 10th to 90th $110 to $537
$100$200$500$1Kfacility $355professional $240

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
$269.15
Median
$457.09
Typical High
$630.96
Aetna
Setting
Professional
Modifier
Global
Typical Low
$234.42
Median
$257.04
Typical High
$562.34
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$275.42
Median
$275.42
Typical High
$954.99
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$109.65
Median
$169.82
Typical High
$489.78
BCBS
Setting
Facility
Modifier
Global
Typical Low
$380.19
Median
$407.38
Typical High
$707.95
BCBS
Setting
Professional
Modifier
Global
Typical Low
$190.55
Median
$275.42
Typical High
$467.74
Cigna
Setting
Facility
Modifier
Global
Typical Low
$281.84
Median
$524.81
Typical High
$741.31
Cigna
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$141.25
Typical High
$371.54
Medica
Setting
Facility
Modifier
Global
Typical Low
$239.88
Median
$331.13
Typical High
$1,318.26
Medica
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$165.96
Typical High
$1,380.38
United
Setting
Facility
Modifier
Global
Typical Low
$114.82
Median
$275.42
Typical High
$331.13
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$165.96
Typical High
$371.54

Where Missouri 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.

Missouri· 23rd 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.