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Repeat Expansion Test, Inherited Ataxia

Colorado rates for HCPCS 81181

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 Colorado, July 2026.

Insurers have agreed to pay about $145 for this service. The price depends on where it is billed: about $105 from a physician practice, and about $331 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 7 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$105$81.28 to $112
FacilityA hospital or hospital-owned outpatient department$331$182 to $575

How much rates vary

Facilitymedian $331 · 10th to 90th $105 to $692Professionalmedian $105 · 10th to 90th $58 to $148
$50.0$100.0$200.0$500.0$1.0Kfacility $331professional $105

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
$87.10
Median
$302.00
Typical High
$645.65
Aetna
Setting
Professional
Modifier
Global
Typical Low
$87.10
Median
$104.71
Typical High
$147.91
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$169.82
Median
$407.38
Typical High
$691.83
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$57.54
Typical High
$138.04
Cigna
Setting
Facility
Modifier
Global
Typical Low
$79.43
Median
$89.13
Typical High
$363.08
Cigna
Setting
Professional
Modifier
Global
Typical Low
$61.66
Median
$72.44
Typical High
$199.53
Denver HMP
Setting
Facility
Modifier
Global
Typical Low
$104.71
Median
$138.04
Typical High
$208.93
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$190.55
Median
$194.98
Typical High
$251.19
Select Health
Setting
Facility
Modifier
Global
Typical Low
$144.54
Median
$251.19
Typical High
$288.40
Select Health
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$138.04
Typical High
$204.17
United
Setting
Facility
Modifier
Global
Typical Low
$123.03
Median
$138.04
Typical High
$204.17
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$57.54
Typical High
$81.28

Where Colorado 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.

Colorado $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.