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Repeat Expansion Test, Inherited Ataxia

Oregon 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?

$145

Typical negotiated rate. In Oregon, July 2026.

Insurers have agreed to pay about $145 for this service. The price depends on where it is billed: about $138 from a physician practice, and about $151 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 8 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$138$129 to $200
FacilityA hospital or hospital-owned outpatient department$151$138 to $257

How much rates vary

Facilitymedian $151 · 10th to 90th $138 to $302Professionalmedian $138 · 10th to 90th $117 to $269
$100.0$200.0$500.0$1.0Kfacility $151professional $138

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
$177.83
Median
$234.42
Typical High
$616.60
Aetna
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$131.83
Typical High
$380.19
Cigna
Setting
Facility
Modifier
Global
Typical Low
$223.87
Median
$223.87
Typical High
$398.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$151.36
Typical High
$239.88
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$295.12
Typical High
$363.08
Moda Health
Setting
Facility
Modifier
Global
Typical Low
$131.83
Median
$138.04
Typical High
$190.55
Moda Health
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$151.36
Typical High
$190.55
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$275.42
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$165.96
Providence
Setting
Facility
Modifier
Global
Typical Low
$131.83
Median
$190.55
Typical High
$398.11
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$151.36
Typical High
$204.17
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$204.17
Median
$407.38
Typical High
$537.03
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$109.65
Median
$117.49
Typical High
$165.96
United
Setting
Facility
Modifier
Global
Typical Low
$204.17
Median
$204.17
Typical High
$204.17
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$57.54
Typical High
$165.96

Where Oregon 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.

Oregon $145 · 14th 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.