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CSTB Gene Test

North Carolina 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?

$219

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $219 for this service. The price depends on where it is billed: about $219 from a physician practice, and about $245 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$219$182 to $282
FacilityA hospital or hospital-owned outpatient department$245$219 to $427

How much rates vary

Facilitymedian $245 · 10th to 90th $209 to $912Professionalmedian $219 · 10th to 90th $129 to $389
$200$500$1Kfacility $245professional $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
$173.78
Median
$239.88
Typical High
$912.01
Aetna
Setting
Professional
Modifier
Global
Typical Low
$181.97
Median
$218.78
Typical High
$363.08
BCBS
Setting
Facility
Modifier
Global
Typical Low
$467.74
Median
$616.60
Typical High
$851.14
BCBS
Setting
Professional
Modifier
Global
Typical Low
$123.03
Median
$245.47
Typical High
$436.52
Cigna
Setting
Facility
Modifier
Global
Typical Low
$208.93
Median
$602.56
Typical High
$1,258.93
Cigna
Setting
Professional
Modifier
Global
Typical Low
$125.89
Median
$131.83
Typical High
$416.87
Medcost
Setting
Facility
Modifier
Global
Typical Low
$218.78
Median
$245.47
Typical High
$416.87
Medcost
Setting
Professional
Modifier
Global
Typical Low
$630.96
Median
$630.96
Typical High
$630.96
United
Setting
Facility
Modifier
Global
Typical Low
$165.96
Median
$323.59
Typical High
$338.84
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$165.96
Typical High
$288.40
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$1,318.26
Median
$1,318.26
Typical High
$1,318.26
Wellcare
Setting
Professional
Modifier
Global
Typical Low
$1,380.38
Median
$1,380.38
Typical High
$2,041.74

Where North Carolina 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.

North Carolina· 42nd of 51

$219

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.