ICD-10 Diagnosis Code K13.21

Leukoplakia of oral mucosa, including tongue

Diagnosis Code K13.21

ICD-10: K13.21
Short Description: Leukoplakia of oral mucosa, including tongue
Long Description: Leukoplakia of oral mucosa, including tongue
This is the 2017 version of the ICD-10-CM diagnosis code K13.21

Valid for Submission
The code K13.21 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Other diseases of lip and oral mucosa (K13)

Information for Medical Professionals

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • 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 human immunodeficiency virus disease
  • On examination - leukoplakia on tongue
  • Palmoplantar keratoderma with leukoplakia
  • Proliferative verrucous oral leukoplakia
  • Speckled oral leukoplakia
  • Syphilitic leukoplakia of tongue
  • Ulcerated oral leukoplakia
  • Verrucous oral leukoplakia

Index of Diseases and Injuries
References found for the code K13.21 in the Index of Diseases and Injuries:

Information for Patients

Mouth Disorders

Your mouth is one of the most important parts of your body. Any problem that affects your mouth can make it hard to eat, drink or even smile.

Some common mouth problems include

  • Cold sores - painful sores on the lips and around the mouth, caused by a virus
  • Canker sores - painful sores in the mouth, caused by bacteria or viruses
  • Thrush - a yeast infection that causes white patches in your mouth
  • Leukoplakia - white patches of excess cell growth on the cheeks, gums or tongue, common in smokers
  • Dry mouth - a lack of enough saliva, caused by some medicines and certain diseases
  • Gum or tooth problems
  • Bad breath

Treatment for mouth disorders varies, depending on the problem. Keeping a clean mouth by brushing and flossing often is important.

  • Burning Mouth Syndrome - NIH (National Institute of Dental and Craniofacial Research)
  • Drooling
  • Gum biopsy
  • Herpangina
  • Leukoplakia
  • Lichen planus
  • Mouth sores
  • Mouth ulcers
  • Mucous cyst
  • Perioral dermatitis
  • Thrush

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