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Repeat Expansion Test, Inherited Ataxia

Connecticut rates for HCPCS 81179

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 October 2026.

How much does Repeat Expansion Test, Inherited Ataxia cost?

$129

Typical negotiated rate. In Connecticut, October 2026.

Insurers have agreed to pay about $129 for this service. Most negotiated rates run $81.28 to $178.

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.

How much rates vary

Facilitymedian $174 · 10th to 90th $102 to $339Professionalmedian $89 · 10th to 90th $69 to $200
$100$200$500facility $174professional $89

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$74.13
Median
$89.13
Typical High
$95.50
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$102.33
Median
$169.82
Typical High
$338.84
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$61.66
Median
$81.28
Typical High
$177.83
Cigna
Setting
Facility
Modifier
None
Typical Low
$138.04
Median
$218.78
Typical High
$501.19
Cigna
Setting
Professional
Modifier
None
Typical Low
$75.86
Median
$154.88
Typical High
$281.84
ConnectiCare
Setting
Professional
Modifier
None
Typical Low
$134.90
Median
$181.97
Typical High
$218.78
United
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$81.28
Typical High
$173.78
2 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$37.15
Median
$44.67
Typical High
$47.86
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$14.79
Median
$18.20
Typical High
$19.05

Where Connecticut sits

The same service costs 5.5 times more in Texas than in Alabama. 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.

Connecticut· 32nd of 51

$129

TX $347AL $63.10

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.