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Repeat Expansion Test, Inherited Ataxia

New Mexico 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?

$166

Typical negotiated rate. In New Mexico, July 2026.

Insurers have agreed to pay about $166 for this service. The price depends on where it is billed: about $151 from a physician practice, and about $204 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 5 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$151$102 to $170
FacilityA hospital or hospital-owned outpatient department$204$123 to $407

How much rates vary

Facilitymedian $204 · 10th to 90th $89 to $437Professionalmedian $151 · 10th to 90th $58 to $912
$50.0$100.0$200.0$500.0$1.0Kfacility $204professional $151

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$204.17
Median
$407.38
Typical High
$436.52
Aetna
Setting
Professional
Modifier
Global
Typical Low
$102.33
Median
$165.96
Typical High
$912.01
Cigna
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$89.13
Typical High
$89.13
Cigna
Setting
Professional
Modifier
Global
Typical Low
$61.66
Median
$141.25
Typical High
$199.53
Molina
Setting
Professional
Modifier
Global
Typical Low
$295.12
Median
$295.12
Typical High
$295.12
Providence
Setting
Facility
Modifier
Global
Typical Low
$89.13
Median
$173.78
Typical High
$269.15
Providence
Setting
Professional
Modifier
Global
Typical Low
$97.72
Median
$154.88
Typical High
$199.53
United
Setting
Facility
Modifier
Global
Typical Low
$48.98
Median
$123.03
Typical High
$204.17
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$57.54
Typical High
$109.65

Where New Mexico 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.

New Mexico $166 · 10th 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.