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Bile Duct X-ray Through Existing Drainage Tube

Washington, DC 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 July 2026.

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

$490

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $490 for this service. Most negotiated rates run $93.33 to $851.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $2,754 · 10th to 90th $537 to $7,762Professionalmedian $347 · 10th to 90th $76 to $661
$50.0$200.0$1.0K$5.0K$20.0Kfacility $2,754professional $347

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
$537.03
Median
$2,691.53
Typical High
$4,073.80
Aetna
Setting
Professional
Modifier
Global
Typical Low
$75.86
Median
$389.05
Typical High
$660.69
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$74.13
Typical High
$2,691.53
Cigna
Setting
Professional
Modifier
Global
Typical Low
$77.62
Median
$208.93
Typical High
$776.25
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$154.88
Median
$467.74
Typical High
$1,000.00
United
Setting
Facility
Modifier
Global
Typical Low
$3,235.94
Median
$10,000.00
Typical High
$27,542.29
United
Setting
Professional
Modifier
Global
Typical Low
$97.72
Median
$346.74
Typical High
$933.25

Where Washington, DC sits

The same service costs 2.6 times more in California than in Maryland. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington, DC $490 · 2nd of 51
CA $575MD $219

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.