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CSTB Known Family Variant Test

Maryland rates for HCPCS 81190

A blood test that checks for one specific change in the CSTB gene that has already been identified in the family. Changes in this gene cause an inherited epilepsy that begins in adolescence with sudden muscle jerks and seizures. Only the family's known change is looked for.

Rates data updated July 2026.

Facilitymedian $78 · 10th–90th $78$1410%50%90th$78Professionalmedian $138 · 10th–90th $83$2240%20%10th90th$138$2.0$10.0$50.0$200.0$1.0K

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

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$138.04
Typical High
$173.78
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$131.83
Median
$131.83
Typical High
$165.96
Cigna
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$114.82
Typical High
$323.59
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$186.21
Median
$223.87
Typical High
$275.42
United
Setting
Facility
Modifier
Global
Typical Low
$77.62
Median
$77.62
Typical High
$141.25
United
Setting
Professional
Modifier
Global
Typical Low
$77.62
Median
$83.18
Typical High
$162.18
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$93.33
Median
$93.33
Typical High
$93.33