K08.5 – Unsatisfactory restoration of tooth
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K08.5
- Code
K08.5(claims format:K085)- Description
- Unsatisfactory restoration of tooth
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K00-K14 Diseases of oral cavity and salivary glands
- Parent codes
- K08
Billable codes under K08.5
K08.5 is a header code and cannot be used on claims. Choose the most specific code:
- K08.50 – Unsatisfactory restoration of tooth, unspecifiedBillable
- K08.51 – Open restoration margins of toothBillable
- K08.52 – Unrepairable overhanging of dental restorative materialsBillable
- K08.53 – Fractured dental restorative materialHeader (more codes below)
- K08.54 – Contour of existing restoration of tooth biologically incompatible with oral healthBillable
- K08.55 – Allergy to existing dental restorative materialBillable
- K08.56 – Poor aesthetic of existing restoration of toothBillable
- K08.59 – Other unsatisfactory restoration of toothBillable
Notes for K08.5
Applicable to:
- Defective bridge, crown, filling
- Defective dental restoration
Excludes1 (not coded here):
- dental restoration status (Z98.811)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K08 – Other disorders of teeth and supporting structures
Related codes in K08
- K08.0 – Exfoliation of teeth due to systemic causesBillable
- K08.1 – Complete loss of teethHeader
- K08.2 – Atrophy of edentulous alveolar ridgeHeader
- K08.3 – Retained dental rootBillable
- K08.4 – Partial loss of teethHeader
- K08.8 – Other specified disorders of teeth and supporting structuresHeader
- K08.9 – Disorder of teeth and supporting structures, unspecifiedBillable
Frequently asked questions
What is ICD-10 code K08.5?
K08.5 is the ICD-10-CM code for unsatisfactory restoration of tooth, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K08.5 a billable code?
No. K08.5 is a header code with more specific child codes; report one of the billable codes listed above.
What category does K08.5 belong to?
It belongs to category K08 – Other disorders of teeth and supporting structures.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.