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Bile Duct X-ray Through Existing Drainage Tube

Montana rates for HCPCS 47531

This procedure injects contrast dye through a drainage tube or catheter that is already in place in the bile duct system, then takes X-ray images to check how well bile is flowing and look for blockages. It is used to monitor or troubleshoot a biliary drainage tube that was placed during an earlier procedure.

Rates data updated October 2026.

How much does Bile Duct X-ray Through Existing Drainage Tube cost?

$182

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $182 for this service. The price depends on where it is billed: about $182 from a physician practice, and about $174 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$107 to $661
FacilityA hospital or hospital-owned outpatient department$174$107 to $692

How much rates vary

Facilitymedian $174 · 10th to 90th $105 to $741Professionalmedian $182 · 10th to 90th $79 to $708
$100$200$500$1Kfacility $174professional $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
$67.61
Median
$380.19
Typical High
$1,023.29
BCBS Montana
Setting
Professional
Modifier
None
Typical Low
$107.15
Median
$107.15
Typical High
$660.69
Cigna
Setting
Facility
Modifier
None
Typical Low
$107.15
Median
$107.15
Typical High
$426.58
Cigna
Setting
Professional
Modifier
None
Typical Low
$107.15
Median
$302.00
Typical High
$660.69
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$104.71
Median
$173.78
Typical High
$741.31
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$67.61
Median
$112.20
Typical High
$724.44
Providence
Setting
Facility
Modifier
None
Typical Low
$107.15
Median
$107.15
Typical High
$426.58
Providence
Setting
Professional
Modifier
None
Typical Low
$70.79
Median
$147.91
Typical High
$707.95
United
Setting
Professional
Modifier
None
Typical Low
$114.82
Median
$398.11
Typical High
$691.83

Where Montana sits

The same service costs 5.6 times more in Wisconsin than in Maryland. 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· 49th of 51

$182

WI $617MD $110

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.