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K08.5 vs M27.6

K08.5 (Unsatisfactory restoration of tooth) compared with M27.6 (Endosseous dental implant failure), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. K08.5 carries an Excludes2 note covering M27.6: “endosseous dental implant failure (M27.6-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Yes, when both are documented. K08.5 carries an Excludes2 note covering M27.6: “disorders of jaw (M27.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

K08.5Unsatisfactory restoration of toothM27.6Endosseous dental implant failure
Billing statusNon-billable header

Report instead: K08.50, K08.51, K08.52, K08.530, K08.531

Non-billable header

Report instead: M27.61, M27.62, M27.63, M27.69

ClassificationK00-K95 — Diseases of the Digestive System (K00-K95)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionUnsatisfactory restoration of tooth is a non-billable ICD-10-CM category code (K08.5).Endosseous dental implant failure is a non-billable ICD-10-CM category code (M27.6).
Includes
Defective bridge, crown, filling
Defective dental restoration

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources