go back

Repeat Expansion Test, Inherited Ataxia

Maryland 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?

$102

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $102 for this service. Most negotiated rates run $89.13 to $117.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $58 · 10th to 90th $58 to $105Professionalmedian $102 · 10th to 90th $62 to $166
$2.0$10.0$50.0$200.0$1.0Kfacility $58professional $102

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
Professional
Modifier
Global
Typical Low
$89.13
Median
$102.33
Typical High
$128.82
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$97.72
Median
$97.72
Typical High
$123.03
Cigna
Setting
Professional
Modifier
Global
Typical Low
$70.79
Median
$85.11
Typical High
$239.88
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$165.96
Typical High
$204.17
United
Setting
Facility
Modifier
Global
Typical Low
$57.54
Median
$57.54
Typical High
$104.71
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$61.66
Typical High
$120.23
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$69.18
Median
$109.65
Typical High
$109.65

Where Maryland 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.

Maryland $102 · 49th 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.