K08.59 Other unsatisfactory restoration of tooth

The ICD-10-CM code for Other unsatisfactory restoration of tooth is K08.59 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

11: Diseases of the digestive system (K00-K95)

Section

K00-K14: Diseases of oral cavity and salivary glands (K00-K14)

Category K08

90 codes (73 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K08.59:

• Defect, defective › dental restoration › specified NEC
• Defect, defective › restoration, dental › specified NEC
• Restoration (of) › unsatisfactory, of tooth › specified NEC
• Unsatisfactory › restoration of tooth › specified NEC
• Dental › restoration › defective › specified NEC
• Restoration (of) › dental › defective › specified NEC

Inclusion Terms

• Other defective dental restoration

U.S. Hospital Utilization

K08.59 appeared in too few sampled U.S. inpatient stays in 2023 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference K08.59 with the canonical source and edition:

K08.59 — Other unsatisfactory restoration of tooth. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/K08.59

Canonical URL: https://icd10codingpro.com/codes/K08.59