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SMN1 Gene Copy Test For Spinal Muscular Atrophy

Washington 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 July 2026.

Facilitymedian $204 · 10th–90th $138$5500%20%10th90th$204Professionalmedian $138 · 10th–90th $79$3630%10%10th90th$138$50.0$100.0$200.0$500.0$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. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$128.82
Median
$302.00
Typical High
$630.96
Aetna
Setting
Professional
Modifier
Global
Typical Low
$81.28
Median
$138.04
Typical High
$446.68
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$169.82
Typical High
$380.19
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$138.04
Typical High
$177.83
Cigna
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$223.87
Typical High
$346.74
Cigna
Setting
Professional
Modifier
Global
Typical Low
$66.07
Median
$144.54
Typical High
$186.21
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$123.03
Median
$158.49
Typical High
$616.60
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$123.03
Median
$158.49
Typical High
$416.87
Molina
Setting
Professional
Modifier
Global
Typical Low
$75.86
Median
$120.23
Typical High
$144.54
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$275.42
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$138.04
Median
$138.04
Typical High
$190.55
Premera BCBS
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$218.78
Typical High
$426.58
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$123.03
Median
$123.03
Typical High
$165.96
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$204.17
Typical High
$371.54
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$117.49
Median
$138.04
Typical High
$177.83
United
Setting
Facility
Modifier
Global
Typical Low
$138.04
Median
$165.96
Typical High
$165.96
United
Setting
Professional
Modifier
Global
Typical Low
$57.54
Median
$57.54
Typical High
$154.88
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$61.66
Median
$138.04
Typical High
$245.47