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Repeat Expansion Test, Inherited Ataxia

Tennessee 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?

$138

Typical negotiated rate. In Tennessee, October 2026.

Insurers have agreed to pay about $138 for this service. Most negotiated rates run $81.28 to $282.

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 $257 · 10th to 90th $91 to $331Professionalmedian $123 · 10th to 90th $62 to $1,023
$50$100$200$500$1Kfacility $257professional $123

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
Facility
Modifier
None
Typical Low
$102.33
Median
$109.65
Typical High
$208.93
Aetna
Setting
Professional
Modifier
None
Typical Low
$102.33
Median
$107.15
Typical High
$138.04
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$51.29
Median
$53.70
Typical High
$79.43
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$20.42
Median
$21.88
Typical High
$31.62
BCBS Tennessee
Setting
Professional
Modifier
None
Typical Low
$70.79
Median
$138.04
Typical High
$138.04
Cigna
Setting
Facility
Modifier
None
Typical Low
$91.20
Median
$281.84
Typical High
$331.13
Cigna
Setting
Professional
Modifier
None
Typical Low
$61.66
Median
$74.13
Typical High
$229.09
Lucent Health
Setting
Professional
Modifier
None
Typical Low
$691.83
Median
$1,023.29
Typical High
$1,023.29
United
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$81.28
Typical High
$138.04

Where Tennessee 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.

Tennessee· 22nd of 51

$138

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.