2021 ICD-10-CM Code K13.3

Hairy leukoplakia

Version 2021

Valid for Submission

K13.3 is a billable diagnosis code used to specify a medical diagnosis of hairy leukoplakia. The code K13.3 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code K13.3 might also be used to specify conditions or terms like hairy leukoplakia of tongue, hairy leukoplakia of tongue, hairy leukoplakia of tongue associated with hiv disease, leukoplakia of tongue, leukoplakia of tongue , leukoplakia of tongue associated with hiv disease, etc.

ICD-10:K13.3
Short Description:Hairy leukoplakia
Long Description:Hairy leukoplakia

Code Classification

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code K13.3 are found in the index:

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Clinical Information

Convert K13.3 to ICD-9 Code

The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code K13.3 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.

Information for Patients


Mouth Disorders

Your mouth is one of the most important parts of your body. It has many different functions. It allows you to

Any problem that affects your mouth can make it hard to eat, drink, or even smile. Some common mouth problems include

Treatment for mouth disorders varies, depending on the problem. If a mouth problem is caused by some other disease, treating that disease can help. It is also important to keep your mouth clean and healthy by brushing, flossing, and not using tobacco.


[Learn More in MedlinePlus]

Tongue Disorders

Your tongue helps you taste, swallow, and chew. You also use it to speak. Your tongue is made up of many muscles. The upper surface contains your taste buds.

Problems with the tongue include

These problems can have many different causes. Treatment depends on the underlying problem.


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Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)