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Prader-Willi/Angelman Genetic Test

Montana rates for HCPCS 81331

This service is a genetic laboratory test that looks at a specific pattern of gene activity to help diagnose Prader-Willi syndrome or Angelman syndrome, two different inherited conditions that affect development. It is typically ordered when a child shows developmental delay, low muscle tone, feeding difficulties, or other features suggestive of one of these conditions. The test is run on a blood sample.

Rates data updated October 2026.

How much does Prader-Willi/Angelman Genetic Test cost?

$74.13

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $74.13 for this service. The price depends on where it is billed: about $69.18 from a physician practice, and about $87.10 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$69.18$45.71 to $74.13
FacilityA hospital or hospital-owned outpatient department$87.10$75.86 to $95.50

How much rates vary

Facilitymedian $87 · 10th to 90th $69 to $120Professionalmedian $69 · 10th to 90th $21 to $91
$20$50$100$200facility $87professional $69

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
$58.88
Median
$58.88
Typical High
$75.86
BCBS Montana
Setting
Facility
Modifier
None
Typical Low
$69.18
Median
$69.18
Typical High
$316.23
BCBS Montana
Setting
Professional
Modifier
None
Typical Low
$69.18
Median
$69.18
Typical High
$69.18
Cigna
Setting
Facility
Modifier
None
Typical Low
$74.13
Median
$75.86
Typical High
$288.40
Cigna
Setting
Professional
Modifier
None
Typical Low
$74.13
Median
$74.13
Typical High
$74.13
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$58.88
Median
$87.10
Typical High
$102.33
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$69.18
Median
$87.10
Typical High
$93.33
Providence
Setting
Facility
Modifier
None
Typical Low
$74.13
Median
$75.86
Typical High
$288.40
Providence
Setting
Professional
Modifier
None
Typical Low
$45.71
Median
$45.71
Typical High
$74.13
United
Setting
Professional
Modifier
None
Typical Low
$21.38
Median
$21.38
Typical High
$51.29

Where Montana sits

The same service costs 3.4 times more in Alaska than in Nebraska. 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· 5th of 51

$74.13

AK $115NE $33.88

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.