ICD-10-CM K13.21: Leukoplakia of oral mucosa, including tongue

ICD-10-CM Diagnosis Code (2025)

Official Description for K13.21

Leukoplakia of oral mucosa, including tongue

Coding Notes & Guidelines for K13.21

Excludes1: Not Coded Here
  • hairy leukoplakia (K13.3)
  • leukokeratosis nicotina palati (K13.24)
Inclusion Terms
  • Leukokeratosis of oral mucosa
  • Leukoplakia of gingiva, lips, tongue

Parent Code (Less Specific):

About ICD-10-CM Code K13.21 (Leukoplakia of oral mucosa)

ICD-10-CM code K13.21 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K13.21 became effective on October 1, 2024.

This page provides detailed information about K13.21 - Leukoplakia of oral mucosa, including tongue. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Leukoplakia of oral mucosa related to including tongue.