Diagnosis Code

K13.21 LEUKOPLAKIA OF ORAL MUCOSA, INCLUDING TONGUE


Code Information

Diagnosis Code: K13.21

Short Description: Leukoplakia of oral mucosa, including tongue

Long Description: Leukoplakia of oral mucosa, including tongue

The code K13.21 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K95)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Other diseases of lip and oral mucosa (K13)
        • K13.21 Leukoplakia of oral mucosa, including tongue

Code Version: 2022 ICD-10-CM


Synonyms

  • Dysplastic oral leukoplakia
  • Homogenous oral leukoplakia
  • Hyperplasia of gingiva
  • Leukoplakia
  • Leukoplakia of buccal mucosa
  • Leukoplakia of gingiva
  • Leukoplakia of lips
  • Leukoplakia of oral mucosa
  • Leukoplakia of oral mucosa and tongue
  • Leukoplakia of tongue
  • Leukoplakia of tongue
  • Leukoplakia of tongue
  • Leukoplakia of tongue associated with HIV disease
  • Oral leukoplakia caused by sanguinarine
  • Oral syphilis
  • Palmoplantar keratoderma with leukoplakia
  • Proliferative verrucous oral leukoplakia
  • Speckled oral leukoplakia
  • Syphilitic leukoplakia of tongue
  • Syphilitic oral leukoplakia
  • Ulcerated oral leukoplakia
  • Verrucous oral leukoplakia

References to Index of Diseases and Injuries

The code K13.21 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Leukokeratosis of oral mucosa
    • Leukoplakia of gingiva, lips, tongue
  • Type 1 Excludes Notes:
    • hairy leukoplakia (@K13.3*)
    • leukokeratosis nicotina palati (@K13.24*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K13.21 Right Arrow 528.6 Leukoplakia oral mucosa

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
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
K13.22 Minimal keratinized residual ridge mucosa
K13.23 Excessive 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


This page was last updated on: 10/1/2023