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CACNA1A Gene Test

Michigan 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?

$178

Typical negotiated rate. In Michigan, July 2026.

Insurers have agreed to pay about $178 for this service. The price depends on where it is billed: about $178 from a physician practice, and about $178 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 6 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$178$148 to $178
FacilityA hospital or hospital-owned outpatient department$178$178 to $219

How much rates vary

Facilitymedian $178 · 10th to 90th $166 to $324Professionalmedian $178 · 10th to 90th $100 to $219
$100$200$500facility $178professional $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
$177.83
Median
$177.83
Typical High
$323.59
Aetna
Setting
Professional
Modifier
Global
Typical Low
$100.00
Median
$177.83
Typical High
$218.78
BCBS
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$208.93
Typical High
$371.54
Cigna
Setting
Professional
Modifier
Global
Typical Low
$85.11
Median
$109.65
Typical High
$281.84
Health Alliance Plan
Setting
Facility
Modifier
Global
Typical Low
$173.78
Median
$190.55
Typical High
$446.68
Health Alliance Plan
Setting
Professional
Modifier
Global
Typical Low
$147.91
Median
$186.21
Typical High
$251.19
Priority Health
Setting
Professional
Modifier
Global
Typical Low
$186.21
Median
$223.87
Typical High
$416.87
United
Setting
Facility
Modifier
Global
Typical Low
$112.20
Median
$186.21
Typical High
$223.87
United
Setting
Professional
Modifier
Global
Typical Low
$77.62
Median
$112.20
Typical High
$186.21

Where Michigan 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.

Michigan· 28th of 51

$178

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.