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Custom Root Canal Procedure

California 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?

$1,288

Typical negotiated rate. In California, July 2026.

Insurers have agreed to pay about $1,288 for this service. The price depends on where it is billed: about $141 from a physician practice, and about $1,445 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 5 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$141$1.00 to $1,413
FacilityA hospital or hospital-owned outpatient department$1,445$891 to $2,692

How much rates vary

Facilitymedian $1,445 · 10th to 90th $692 to $3,388Professionalmedian $141 · 10th to 90th $1 to $1,413
$1.0$10.0$100.0$1.0Kfacility $1,445professional $141

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
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$1.00
Median
$1.00
Typical High
$1,412.54
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$691.83
Median
$1,819.70
Typical High
$3,388.44
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$398.11
Typical High
$398.11
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$891.25
Median
$891.25
Typical High
$891.25
Providence
Setting
Facility
Modifier
Global
Typical Low
$1.32
Median
$1.32
Typical High
$1.32
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$79.43
Typical High
$79.43

Where California 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.

California $1,288 · 10th 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.