K13.21
BillableLeukoplakia of oral mucosa, including tongue
Leukoplakia of oral mucosa, including tongue
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Leukokeratosis of oral mucosa
- Leukoplakia of gingiva, lips, tongue
Includes
Conditions included under this code
- epithelial disturbances of tongue
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •certain disorders of gingiva and edentulous alveolar ridgeK05-K06
- •cysts of oral regionK09
- •diseases of tongueK14
- •stomatitis and related lesionsK12
Use Additional Code
Additional codes that should follow this code
Related Codes(4)
Also Known As / Clinical Terms(177)
SNOMED CT
- Leucokeratosis of lip17531008
- Leucoplakia of lips17531008
- Leukokeratosis of lip17531008
- Leukoplakia of lips17531008
- Leucoplakia of gingiva32236000
- Leukoplakia of gingiva32236000
- Leucoplakia of tongue91002001
- Leukoplakia of tongue91002001
- Leucoplakia of buccal mucosa196568006
- Leukoplakia of buccal mucosa196568006
- Homogenous oral leucoplakia235027002
- Homogenous oral leukoplakia235027002
- Ulcerated oral leucoplakia235028007
- Ulcerated oral leukoplakia235028007
- Nodular leukoplakia of oral mucosa235029004
- Speckled oral leucoplakia235029004
- Speckled oral leukoplakia235029004
- Dysplastic oral leucoplakia235030009
- Dysplastic oral leukoplakia235030009
- Papillary leucoplakia235031008
- Papillary leukoplakia235031008
- Verruciform leukoplakia235031008
- Verrucous oral leucoplakia235031008
- Verrucous oral leukoplakia235031008
- Syphilitic oral leucoplakia235032001
- Syphilitic oral leukoplakia235032001
- Oral syphilis235062007
- Palmoplantar keratoderma with leucoplakia239075001
- Palmoplantar keratoderma with leukoplakia239075001
- Leucoplakia274134003
- Leukoplakia274134003
- Syphilitic leucoplakia of tongue402950003
- Syphilitic leukoplakia of tongue402950003
- Leucoplakia of oral mucosa414603003
- Leukoplakia of oral mucosa414603003
- Leucoplakia of tongue associated with AIDS414604009
- Leucoplakia of tongue associated with HIV disease414604009
- Leucoplakia of tongue associated with human immunodeficiency virus disease414604009
- Leukoplakia of tongue associated with AIDS414604009
- Leukoplakia of tongue associated with HIV disease414604009
- Leukoplakia of tongue associated with human immunodeficiency virus disease414604009
- Hyperplasia of gingiva441798003
- Hyperplastic gingiva441798003
- Proliferative verrucous leukoplakia698010001
- Proliferative verrucous oral leukoplakia698010001
- Oral leukoplakia caused by sanguinarine712988000
- Leucoplakia of oral mucosa and tongue5601000119107
- Leukoplakia of oral mucosa and tongue5601000119107
UMLS
- Keratoses, OralC0023532
- Keratosis, OralC0023532
- Leucoplakia of oral mucosaC0023532
- Leukokeratoses, OralC0023532
- Leukokeratosis of Oral MucosaC0023532
- Leukokeratosis of oral mucosaC0023532
- Leukokeratosis, OralC0023532
- Leukoplakia buccalisC0023532
- Leukoplakia of MouthC0023532
- Leukoplakia of Oral MucosaC0023532
- Leukoplakia of mouthC0023532
- Leukoplakia of oral mucosaC0023532
- Leukoplakia of oral mucosa (disorder)C0023532
- Leukoplakia of the MouthC0023532
- Leukoplakia of the Oral MucosaC0023532
- Leukoplakia oralC0023532
- Leukoplakia oral NOSC0023532
- Leukoplakia, OralC0023532
- Leukoplakias, OralC0023532
- Mouth LeukoplakiaC0023532
- Oral Cavity LeukoplakiaC0023532
- Oral KeratosesC0023532
- Oral KeratosisC0023532
- Oral LeukokeratosesC0023532
- Oral LeukokeratosisC0023532
- Oral LeukoplakiaC0023532
- Oral LeukoplakiasC0023532
- Oral idiopathic keratosisC0023532
- Oral idiopathic leukoplakiaC0023532
- Oral idiopathic white patchC0023532
- Oral leucoplakiaC0023532
- Oral leukokeratosisC0023532
- Oral leukoplakiaC0023532
- Oral leukoplakia NOSC0023532
- Oral leukoplasiaC0023532
- Oral white patchC0023532
- Oral white plaqueC0023532
- leukoplakia mouthC0023532
- leukoplakia oralC0023532
- oral keratosisC0023532
- oral leukoplakiaC0023532
- Leukoplakia and oth disturb of oral epithelium, inc tongueC1112530
- Leukoplakia and other disturbances of oral epithelium, including tongueC1112530
- Leukoplakia of oral mucosa, incl tongueC1112530
- Leukoplakia of oral mucosa, including tongueC1112530
- Leukoplakia of gingiva, lips, tongueC2887638
Clinical Terms
- Papillary leukoplakia
- Leukoplakia of the Oral Mucosa
- Leukoplakia of tongue
- Keratosis, Oral
- Leucoplakia of buccal mucosa
- Verrucous oral leucoplakia
- Oral idiopathic white patch
- Leukoplakia of mouth
- Leucoplakia of tongue associated with human immunodeficiency virus disease
- Leukokeratoses, Oral
- Homogenous oral leucoplakia
- Leukoplakia of the Mouth
- Palmoplantar keratoderma with leucoplakia
- Speckled oral leucoplakia
- Leukoplakia of lips
- Mouth Leukoplakia
- Verruciform leukoplakia
- Speckled oral leukoplakia
- Leukoplakia of tongue associated with human immunodeficiency virus disease
- Oral white patch
- Dysplastic oral leukoplakia
- Leukoplakia of oral mucosa, incl tongue
- Leucoplakia of tongue associated with AIDS
- Papillary leucoplakia
- Oral Leukokeratoses
- Hyperplastic gingiva
- Hyperplasia of gingiva
- Leukoplakia of oral mucosa
- Oral Keratosis
- Oral leukoplasia
- Leukoplakia of gingiva, lips, tongue
- Oral Leukokeratosis
- Ulcerated oral leucoplakia
- Oral idiopathic leukoplakia
- Oral leukoplakia caused by sanguinarine
- Leucokeratosis of lip
- Leukoplakias, Oral
- Leukoplakia and oth disturb of oral epithelium, inc tongue
- Oral leucoplakia
- Leukoplakia
- Oral leukoplakia NOS
- Leukokeratosis of oral mucosa
- Leukoplakia of tongue associated with AIDS
- Leukoplakia of buccal mucosa
- Syphilitic leucoplakia of tongue
- Oral syphilis
- Nodular leukoplakia of oral mucosa
- Leucoplakia of oral mucosa and tongue
- Syphilitic oral leukoplakia
- Keratoses, Oral
- Leucoplakia of tongue
- leukoplakia mouth
- Palmoplantar keratoderma with leukoplakia
- Leucoplakia of oral mucosa
- Oral Leukoplakias
- Leukokeratosis, Oral
- Leukoplakia of oral mucosa and tongue
- Proliferative verrucous leukoplakia
- Leucoplakia of gingiva
- Leukoplakia buccalis
- Leukoplakia, Oral
- Leukoplakia oral NOS
- Homogenous oral leukoplakia
- oral leukoplakia
- Proliferative verrucous oral leukoplakia
- Oral idiopathic keratosis
- Oral white plaque
- Leukokeratosis of lip
- Leukoplakia of tongue associated with HIV disease
- Leukoplakia oral
- Verrucous oral leukoplakia
- Leukoplakia of gingiva
- Leukoplakia and other disturbances of oral epithelium, including tongue
- Dysplastic oral leucoplakia
- Leukoplakia of oral mucosa (disorder)
- Syphilitic oral leucoplakia
- Oral Keratoses
- Leucoplakia of tongue associated with HIV disease
- Leucoplakia
- Leucoplakia of lips
- Syphilitic leukoplakia of tongue
- Oral Cavity Leukoplakia
- Ulcerated oral leukoplakia
Frequently Asked Questions
What is the ICD-10 code for leukoplakia of oral mucosa, including tongue?
The ICD-10-CM code for leukoplakia of oral mucosa, including tongue is K13.21. The full clinical description is "Leukoplakia of oral mucosa, including tongue". K13.21 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K13.21 mean?
ICD-10-CM code K13.21 represents “Leukoplakia of oral mucosa, including tongue”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K13.21 a billable code?
Yes, K13.21 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K13.21 in?
K13.21 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K13.21?
K13.21 has Excludes1 notes indicating codes that cannot be used together with it, including: carcinoma in situ of oral epithelium (D00.0-); hairy leukoplakia (K13.3); leukokeratosis nicotina palati (K13.24).
Are additional codes required with K13.21?
Yes, when using K13.21, also report: ; alcohol abuse and dependence (F10.-); exposure to environmental tobacco smoke (Z77.22); exposure to tobacco smoke in the perinatal period (P96.81); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What SNOMED CT codes does K13.21 map to?
K13.21 maps to 20 SNOMED CT concepts: 235030009, 235027002, 441798003, 17531008, 274134003, and 15 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K13.21?
K13.21 is linked to 3 UMLS Concept Unique Identifiers: C0023532, C1112530, C2887638. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K13.21 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like leukoplakia of oral mucosa, including tongue affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K13.21?
There is no direct ICD-11 mapping available for K13.21 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.