Endodontics CDT Codes2026 Billing Reference Guide

Placement of a protective material directly on an exposed pulp to preserve tooth vitality, billed separately from the final restoration.

Placement of a protective liner over nearly exposed pulp to protect it and preserve tooth vitality, billed separately from the final restoration.

Removal of the infected pulp from the crown portion of a primary tooth and placement of medication to preserve the remaining root pulp.

Emergency removal of infected or necrotic pulp tissue from the pulp chamber to relieve acute pain or as a preliminary step before definitive endodontic treatment.

Covers partial pulpotomy for apexogenesis - permanent tooth with incomplete root development to treat or preserve the dental pulp.

Complete pulp removal and resorbable root filling on an anterior primary tooth, commonly called a baby tooth root canal.

Complete pulp removal and resorbable root filling on a posterior primary tooth, commonly called a baby tooth root canal on a back tooth.

Root canal treatment on a front tooth (incisor or canine). Covers pulp removal, canal cleaning and shaping, and obturation but not the final crown or filling.

Root canal treatment on a premolar (bicuspid) tooth. Covers pulp removal, canal cleaning and shaping, and obturation but not the final crown or filling.

Root canal treatment on a molar tooth. Covers pulp removal, canal cleaning and shaping, and obturation for all canals but not the final crown or filling.

Removal of an obstruction within a root canal to allow completion of endodontic treatment, such as a separated instrument or calcification.

Billing code for when root canal therapy is started but cannot be completed due to the tooth being inoperable, unrestorable, or a canal being inaccessible.

Repair of a perforation (hole) in the root of a tooth using biocompatible material, performed non-surgically through the canal.

Retreatment of a previously completed root canal on a front tooth. Involves removing old fill material, re-cleaning the canal system, and re-obturating.

Retreatment of a previously root canal-treated premolar (bicuspid) by removing the old filling material and re-cleaning and re-filling the canals.