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Custom Root Canal Procedure

Washington 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.

Facilitymedian $4,677 · 10th–90th $1,413$7,9430%10%20%10th90th$4,677Professionalmedian $50 · 10th–90th $32$790%20%40%10th90th$50$50.0$200.0$1.0K$5.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Small sample; interpret with caution. Need provider-level prices? Contact us.

Insurance Carrier
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$1,412.54
Median
$4,677.35
Typical High
$7,943.28
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$50.12
Typical High
$79.43
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$2,137.96
Median
$2,137.96
Typical High
$2,137.96