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Custom Root Canal Procedure

Massachusetts 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?

$4,898

Typical facility fee. In Massachusetts, July 2026.

Insurers have agreed to pay about $4,898 for this service. Most negotiated rates run $1,995 to $6,918.

Few insurers publish rates for this combination, so treat this figure as a rough guide.

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 $4,898 · 10th to 90th $83 to $9,772
$100$1K$10Kfacility $4,898

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
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$891.25
Median
$891.25
Typical High
$891.25
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$83.18
Median
$5,888.44
Typical High
$9,772.37
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$891.25
Median
$891.25
Typical High
$891.25

Where Massachusetts sits

The same service costs 3235936.6 times more in Pennsylvania than in Connecticut. 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.

Massachusetts· 3rd of 37

$4,898

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.