K08.9 Disorder of teeth and supporting structures, unspecified

Billable ICD-10-CM code, FY2026.

Applies from K08 Other disorders of teeth and supporting structures

Excludes2 (not included here)

• dentofacial anomalies [including malocclusion] (M26.-)
• disorders of jaw (M27.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 525.9 Unspecified disorder of the teeth and supporting structures

Diagnosis Index entries for K08.9

• Abnormal, abnormality, abnormalities › alveolar ridge
• Disease, diseased › alveoli, teeth
• Disease, diseased › supporting structures of teeth
• Disease, diseased › tooth, teeth
• Disorder (of) › tooth
• Lesion (s) (nontraumatic) › alveolar process
• Lesion (s) (nontraumatic) › tooth, teeth

Nearby codes

• K08.59 Other unsatisfactory restoration of tooth
• K08.8 Other specified disorders of teeth and supporting structures
• K08.81 Primary occlusal trauma
• K08.82 Secondary occlusal trauma
• K08.89 Other specified disorders of teeth and supporting structures
• K08.9 Disorder of teeth and supporting structures, unspecified (this code)