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CSTB Gene Test

New Mexico 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?

$331

Typical negotiated rate. In New Mexico, July 2026.

Insurers have agreed to pay about $331 for this service. The price depends on where it is billed: about $309 from a physician practice, and about $417 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$309$204 to $347
FacilityA hospital or hospital-owned outpatient department$417$245 to $832

How much rates vary

Facilitymedian $417 · 10th to 90th $178 to $891Professionalmedian $309 · 10th to 90th $115 to $1,820
$100$200$500$1Kfacility $417professional $309

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$416.87
Median
$831.76
Typical High
$891.25
Aetna
Setting
Professional
Modifier
Global
Typical Low
$204.17
Median
$331.13
Typical High
$1,819.70
Cigna
Setting
Facility
Modifier
Global
Typical Low
$177.83
Median
$177.83
Typical High
$177.83
Cigna
Setting
Professional
Modifier
Global
Typical Low
$123.03
Median
$281.84
Typical High
$398.11
Molina
Setting
Professional
Modifier
Global
Typical Low
$588.84
Median
$588.84
Typical High
$588.84
Providence
Setting
Facility
Modifier
Global
Typical Low
$177.83
Median
$346.74
Typical High
$537.03
Providence
Setting
Professional
Modifier
Global
Typical Low
$194.98
Median
$309.03
Typical High
$398.11
United
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$245.47
Typical High
$416.87
United
Setting
Professional
Modifier
Global
Typical Low
$114.82
Median
$114.82
Typical High
$218.78

Where New Mexico 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.

New Mexico· 10th of 51

$331

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.