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Repeat Expansion Test, Inherited Ataxia

Nationwide 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.

Facilitymedian $204 · 10th–90th $112$5750%10%20%10th90th$204Professionalmedian $117 · 10th–90th $63$2570%20%10th90th$117$0.2$2.0$20.0$200.0$2.0K$20.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$109.65
Median
$218.78
Typical High
$588.84
Aetna
Setting
Professional
Modifier
Global
Typical Low
$81.28
Median
$112.20
Typical High
$245.47
BCBS
Setting
Facility
Modifier
Global
Typical Low
$123.03
Median
$186.21
Typical High
$630.96
BCBS
Setting
Professional
Modifier
Global
Typical Low
$54.95
Median
$91.20
Typical High
$245.47
Cigna
Setting
Facility
Modifier
Global
Typical Low
$97.72
Median
$275.42
Typical High
$602.56
Cigna
Setting
Professional
Modifier
Global
Typical Low
$63.10
Median
$151.36
Typical High
$331.13
United
Setting
Facility
Modifier
Global
Typical Low
$64.57
Median
$138.04
Typical High
$165.96
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$81.28
Typical High
$194.98