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Repeat Expansion Test, Inherited Ataxia

Hawaii 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?

$174

Typical negotiated rate. In Hawaii, July 2026.

Insurers have agreed to pay about $174 for this service. Most negotiated rates run $138 to $195.

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 $135 · 10th to 90th $112 to $166Professionalmedian $178 · 10th to 90th $138 to $214
$100.0$200.0facility $135professional $178

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
$112.20
Median
$134.90
Typical High
$165.96
Aetna
Setting
Professional
Modifier
Global
Typical Low
$173.78
Median
$173.78
Typical High
$173.78
Cigna
Setting
Professional
Modifier
Global
Typical Low
$74.13
Median
$74.13
Typical High
$165.96
HMSA
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$177.83
Typical High
$194.98
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$151.36
Median
$165.96
Typical High
$204.17
United
Setting
Professional
Modifier
Global
Typical Low
$69.18
Median
$138.04
Typical High
$165.96
University Health Alliance
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$199.53
Typical High
$309.03

Where Hawaii 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.

Hawaii $174 · 8th 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.