M27.51 Perforation of root canal space due to endodontic treatment

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 526.61 Perforation of root canal space

Code annotations containing back-references to M27.51

Back-references to M27.5

• Type 2 Excludes: K08.5 Unsatisfactory restoration of tooth ("unsatisfactory endodontic treatment (M27.5-)")

Back-references to M27

• Type 2 Excludes: K08 Other disorders of teeth and supporting structures ("disorders of jaw (M27.-)")

Diagnosis Index entries for M27.51

• Perforation, perforated (nontraumatic) (of) › root canal space due to endodontic treatment

Nearby codes

• M27.3 Alveolitis of jaws
• M27.4 Other and unspecified cysts of jaw
• M27.40 Unspecified cyst of jaw
• M27.49 Other cysts of jaw
• M27.5 Periradicular pathology associated with previous endodontic treatment
• M27.51 Perforation of root canal space due to endodontic treatment (this code)
• M27.52 Endodontic overfill
• M27.53 Endodontic underfill
• M27.59 Other periradicular pathology associated with previous endodontic treatment
• M27.6 Endosseous dental implant failure
• M27.61 Osseointegration failure of dental implant