K13.23 Excessive keratinized residual ridge mucosa

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Excessive keratinized residual ridge mucosa is K13.23 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
K00-K14: Diseases of oral cavity and salivary glands (K00-K14)
Category K13
16 codes (13 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K13.23:

  • Keratinization of alveolar ridge mucosa › excessive
  • Keratinized residual ridge mucosa › excessive

Inclusion Terms

  • Excessive keratinization of alveolar ridge mucosa

Official Coding Guidelines

Chapter 11 reserved for future expansion

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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.11

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

References

Related Codes

Parent Code

K13 Other diseases of lip and oral mucosa

Related Codes in K13

K13 Other diseases of lip and oral mucosa K13.0 Diseases of lips K13.1 Cheek and lip biting K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue K13.21 Leukoplakia of oral mucosa, including tongue K13.22 Minimal keratinized residual ridge mucosa K13.24 Leukokeratosis nicotina palati K13.29 Other disturbances of oral epithelium, including tongue K13.3 Hairy leukoplakia K13.4 Granuloma and granuloma-like lesions of oral mucosa K13.5 Oral submucous fibrosis K13.6 Irritative hyperplasia of oral mucosa K13.7 Other and unspecified lesions of oral mucosa K13.70 Unspecified lesions of oral mucosa K13.79 Other lesions of oral mucosa
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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