go back

Repeat Expansion Test, Inherited Ataxia

Mississippi rates for HCPCS 81178

A laboratory test on a blood sample that measures a short stretch of DNA that is normally repeated a set number of times within a single gene. An abnormally high number of repeats causes an inherited disorder of balance, coordination and speech that develops gradually over years. The test is used to confirm a diagnosis in someone with symptoms, or to test a relative of an affected person.

Rates data updated July 2026.

How much does Repeat Expansion Test, Inherited Ataxia cost?

$158

Typical negotiated rate. In Mississippi, July 2026.

Insurers have agreed to pay about $158 for this service. The price depends on where it is billed: about $148 from a physician practice, and about $170 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$148$105 to $245
FacilityA hospital or hospital-owned outpatient department$170$138 to $245

How much rates vary

Facilitymedian $170 · 10th to 90th $123 to $245Professionalmedian $148 · 10th to 90th $81 to $275
$50.0$100.0$200.0facility $170professional $148

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
$138.04
Median
$245.47
Typical High
$275.42
Aetna
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$158.49
Typical High
$275.42
BCBS
Setting
Facility
Modifier
Global
Typical Low
$169.82
Median
$169.82
Typical High
$169.82
BCBS
Setting
Professional
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$158.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$93.33
Typical High
$104.71
Cigna
Setting
Professional
Modifier
Global
Typical Low
$58.88
Median
$107.15
Typical High
$194.98
United
Setting
Facility
Modifier
Global
Typical Low
$123.03
Median
$123.03
Typical High
$138.04
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$81.28
Typical High
$234.42

Where Mississippi sits

The same service costs 3.4 times more in Alaska than in Delaware. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Mississippi $158 · 12th of 51
AK $309DE $91.20

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.