Restorative CDT Codes2026 Billing Reference Guide

A single-surface amalgam (silver) filling placed on any primary or permanent tooth to restore decay affecting one surface.

A two-surface amalgam (silver) filling on a primary or permanent tooth, used when decay or damage spans two surfaces such as mesial-occlusal.

A three-surface silver amalgam filling on a baby tooth or permanent tooth.

A four-or-more-surface silver amalgam filling on a baby tooth or permanent tooth.

A single-surface tooth-colored composite filling on an anterior (front) tooth, used to restore decay or minor damage on incisors and canines.

A two-surface tooth-colored composite filling on an anterior (front) tooth, used when decay or damage involves two surfaces of an incisor or canine.

A three-surface tooth-colored composite filling on a front tooth.

A large tooth-colored composite filling on a front tooth involving four or more surfaces or the biting edge.

A full composite crown buildup on a front tooth, most commonly used on primary (baby) teeth.

A single-surface tooth-colored composite filling on a posterior (back) tooth. Many payers downgrade posterior composites to amalgam pricing under alternative benefit clauses.

A two-surface tooth-colored composite filling on a posterior (back) tooth. Like D2391, payers frequently apply alternative benefit clauses and reimburse at the amalgam rate.

A large four-or-more-surface tooth-colored composite filling on a permanent back tooth.

A large four-or-more-surface tooth-colored composite filling on a baby (primary) back tooth.

Covers the placement of a gold foil - one surface for direct dental restoration.

Covers the placement of a gold foil - two surfaces for direct dental restoration.