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SMN1 Gene Copy Test For Spinal Muscular Atrophy

Montana rates for HCPCS 81329

Counts how many working copies of the SMN1 gene a person carries, and examines the related SMN2 gene when that adds useful information. Missing copies of SMN1 cause spinal muscular atrophy, an inherited condition in which the nerves that drive muscle become progressively damaged. It is used to screen prospective parents for carrier status and to confirm the diagnosis in someone with symptoms.

Rates data updated October 2026.

How much does SMN1 Gene Copy Test For Spinal Muscular Atrophy cost?

$200

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $200 for this service. The price depends on where it is billed: about $182 from a physician practice, and about $234 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$182$123 to $200
FacilityA hospital or hospital-owned outpatient department$234$204 to $257

How much rates vary

Facilitymedian $234 · 10th to 90th $182 to $324Professionalmedian $182 · 10th to 90th $58 to $245
$100$200$500facility $234professional $182

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$117.49
Median
$158.49
Typical High
$204.17
BCBS Montana
Setting
Facility
Modifier
None
Typical Low
$181.97
Median
$181.97
Typical High
$851.14
BCBS Montana
Setting
Professional
Modifier
None
Typical Low
$181.97
Median
$181.97
Typical High
$181.97
Cigna
Setting
Facility
Modifier
None
Typical Low
$199.53
Median
$204.17
Typical High
$776.25
Cigna
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$199.53
Typical High
$199.53
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$158.49
Median
$234.42
Typical High
$275.42
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$186.21
Median
$234.42
Typical High
$251.19
Providence
Setting
Facility
Modifier
None
Typical Low
$199.53
Median
$204.17
Typical High
$776.25
Providence
Setting
Professional
Modifier
None
Typical Low
$123.03
Median
$123.03
Typical High
$199.53
United
Setting
Professional
Modifier
None
Typical Low
$57.54
Median
$57.54
Typical High
$138.04

Where Montana sits

The same service costs 4.9 times more in Alaska than in Alabama. 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.

Montana· 4th of 51

$200

AK $309AL $63.10

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.