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Bile Duct X-ray Through Existing Drainage Tube

North Carolina 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?

$398

Typical negotiated rate. In North Carolina, July 2026.

Insurers have agreed to pay about $398 for this service. The price depends on where it is billed: about $398 from a physician practice, and about $537 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 8 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$398$158 to $692
FacilityA hospital or hospital-owned outpatient department$537$115 to $1,122

How much rates vary

Facilitymedian $537 · 10th to 90th $71 to $3,631Professionalmedian $398 · 10th to 90th $81 to $933
$50.0$200.0$1.0K$5.0K$20.0Kfacility $537professional $398

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
$70.79
Median
$812.83
Typical High
$3,890.45
Aetna
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$371.54
Typical High
$812.83
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$91.20
Median
$91.20
Typical High
$660.69
BCBS
Setting
Professional
Modifier
Global
Typical Low
$158.49
Median
$398.11
Typical High
$977.24
Cigna
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$288.40
Typical High
$912.01
Medcost
Setting
Facility
Modifier
Global
Typical Low
$69.18
Median
$316.23
Typical High
$741.31
Oscar Health
Setting
Professional
Modifier
Global
Typical Low
$562.34
Median
$562.34
Typical High
$562.34
United
Setting
Facility
Modifier
Global
Typical Low
$1,318.26
Median
$8,511.38
Typical High
$14,791.08
United
Setting
Professional
Modifier
Global
Typical Low
$74.13
Median
$338.84
Typical High
$691.83
Wellcare
Setting
Facility
Modifier
Global
Typical Low
$56.23
Median
$1,258.93
Typical High
$1,258.93
Wellcare
Setting
Professional
Modifier
Global
Typical Low
$2,884.03
Median
$2,884.03
Typical High
$3,388.44

Where North Carolina 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.

North Carolina $398 · 17th 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.