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Repeat Expansion Test, Inherited Ataxia

Idaho 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 October 2026.

How much does Repeat Expansion Test, Inherited Ataxia cost?

$145

Typical negotiated rate. In Idaho, October 2026.

Insurers have agreed to pay about $145 for this service. The price depends on where it is billed: about $141 from a physician practice, and about $245 from a hospital or other facility.

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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$141$117 to $219
FacilityA hospital or hospital-owned outpatient department$245$151 to $339

How much rates vary

Facilitymedian $245 · 10th to 90th $138 to $490Professionalmedian $141 · 10th to 90th $58 to $269
$100$200$500facility $245professional $141

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
$245.47
Median
$245.47
Typical High
$245.47
Aetna
Setting
Professional
Modifier
None
Typical Low
$128.82
Median
$269.15
Typical High
$269.15
BCBS Idaho
Setting
Facility
Modifier
None
Typical Low
$138.04
Median
$257.04
Typical High
$489.78
BCBS Idaho
Setting
Professional
Modifier
None
Typical Low
$117.49
Median
$138.04
Typical High
$141.25
Cigna
Setting
Facility
Modifier
None
Typical Low
$107.15
Median
$281.84
Typical High
$537.03
Cigna
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$102.33
Typical High
$229.09
Moda Health
Setting
Facility
Modifier
None
Typical Low
$138.04
Median
$138.04
Typical High
$269.15
Moda Health
Setting
Professional
Modifier
None
Typical Low
$138.04
Median
$158.49
Typical High
$269.15
Molina
Setting
Professional
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$117.49
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$138.04
Median
$204.17
Typical High
$263.03
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$138.04
Median
$204.17
Typical High
$263.03
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$204.17
Median
$309.03
Typical High
$489.78
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$117.49
Median
$117.49
Typical High
$144.54
Select Health
Setting
Facility
Modifier
None
Typical Low
$138.04
Median
$138.04
Typical High
$177.83
Select Health
Setting
Professional
Modifier
None
Typical Low
$138.04
Median
$138.04
Typical High
$194.98
United
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$57.54
Typical High
$218.78
1 more rate 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
BCBS Idaho
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$95.50
Median
$97.72
Typical High
$97.72

Where Idaho sits

The same service costs 4.9 times more in Alaska 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.

Idaho· 17th of 51

$145

AK $309AL $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.