go back

Custom Root Canal Procedure

Illinois rates for HCPCS D3999

A root canal or tooth-nerve related treatment that doesn't match one of the standard, commonly used procedures, so your dentist provides a detailed explanation of exactly what was performed. It's used for unusual cases involving the inside of a tooth that need an individualized approach.

Rates data updated July 2026.

How much does Custom Root Canal Procedure cost?

$912

Typical facility fee. In Illinois, July 2026.

Insurers have agreed to pay about $912 for this service. Most negotiated rates run $200 to $977.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $933 · 10th to 90th $832 to $1,122Professionalmedian $126 · 10th to 90th $30 to $347
$50.0$100.0$200.0$500.0$1.0Kfacility $933professional $126

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
BCBS
Setting
Facility
Modifier
Global
Typical Low
$831.76
Median
$933.25
Typical High
$1,122.02
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$120.23
Median
$199.53
Typical High
$346.74
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Molina
Setting
Professional
Modifier
Global
Typical Low
$30.20
Median
$30.20
Typical High
$30.20

Where Illinois sits

The same service costs 3235936.6 times more in Pennsylvania than in Connecticut. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Illinois $912 · 11th of 37
PA $64,565CT $0.02

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.