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Repeat Expansion Test, Inherited Ataxia

Iowa 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?

$138

Typical negotiated rate. In Iowa, July 2026.

Insurers have agreed to pay about $138 for this service. The price depends on where it is billed: about $120 from a physician practice, and about $209 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 8 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$120$105 to $251
FacilityA hospital or hospital-owned outpatient department$209$138 to $363

How much rates vary

Facilitymedian $209 · 10th to 90th $105 to $398Professionalmedian $120 · 10th to 90th $81 to $912
$10.0$20.0$50.0$100.0$200.0$500.0$1.0Kfacility $209professional $120

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
$104.71
Median
$281.84
Typical High
$398.11
Aetna
Setting
Professional
Modifier
Global
Typical Low
$91.20
Median
$120.23
Typical High
$912.01
Cigna
Setting
Professional
Modifier
Global
Typical Low
$177.83
Median
$263.03
Typical High
$331.13
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$125.89
Median
$181.97
Typical High
$239.88
Medica
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$165.96
Typical High
$363.08
Medica
Setting
Professional
Modifier
Global
Typical Low
$81.28
Median
$141.25
Typical High
$549.54
Midlands
Setting
Professional
Modifier
Global
Typical Low
$169.82
Median
$181.97
Typical High
$181.97
Oscar Health
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$147.91
Typical High
$295.12
United
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$302.00
United
Setting
Professional
Modifier
Global
Typical Low
$81.28
Median
$81.28
Typical High
$346.74
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$138.04

Where Iowa 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.

Iowa $138 · 18th 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.