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Bile Duct X-ray Through Existing Drainage Tube

Maryland 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?

$219

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $219 for this service. Most negotiated rates run $81.28 to $447.

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.

How much rates vary

Facilitymedian $339 · 10th to 90th $95 to $1,047Professionalmedian $214 · 10th to 90th $69 to $617
$20.0$50.0$100.0$200.0$500.0$1.0K$2.0Kfacility $339professional $214

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$95.50
Median
$275.42
Typical High
$1,047.13
Aetna
Setting
Professional
Modifier
Global
Typical Low
$69.18
Median
$234.42
Typical High
$602.56
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$70.79
Typical High
$93.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$77.62
Median
$288.40
Typical High
$707.95
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$363.08
Median
$467.74
Typical High
$660.69
United
Setting
Facility
Modifier
Global
Typical Low
$72.44
Median
$338.84
Typical High
$537.03
United
Setting
Professional
Modifier
Global
Typical Low
$74.13
Median
$288.40
Typical High
$691.83
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$64.57
Median
$426.58
Typical High
$676.08

Where Maryland 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.

Maryland $219 · 51st 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.