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CACNA1A Gene Test

Washington, DC rates for HCPCS 81186

Looks for changes in the CACNA1A gene in a blood or saliva sample. Changes in this gene are linked to inherited neurological conditions including episodes of unsteadiness and dizziness, a severe form of migraine that comes with temporary weakness on one side, and a slowly progressive loss of balance and coordination.

Rates data updated July 2026.

How much does CACNA1A Gene Test cost?

$138

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $138 for this service. The price depends on where it is billed: about $138 from a physician practice, and about $224 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 5 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$138$138 to $138
FacilityA hospital or hospital-owned outpatient department$224$138 to $447

How much rates vary

Facilitymedian $224 · 10th to 90th $138 to $447Professionalmedian $138 · 10th to 90th $132 to $145
$100$200$500facility $224professional $138

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
$138.04
Median
$138.04
Typical High
$446.68
Aetna
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$144.54
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$131.83
Median
$131.83
Typical High
$177.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$302.00
Median
$316.23
Typical High
$707.95
Cigna
Setting
Professional
Modifier
Global
Typical Low
$104.71
Median
$213.80
Typical High
$831.76
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$213.80
Median
$323.59
Typical High
$380.19
United
Setting
Facility
Modifier
Global
Typical Low
$77.62
Median
$223.87
Typical High
$223.87
United
Setting
Professional
Modifier
Global
Typical Low
$77.62
Median
$83.18
Typical High
$173.78

Where Washington, DC sits

The same service costs 3.4 times more in Alaska than in Delaware. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Washington, DC· 47th of 51

$138

AK $417DE $123

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.