K13
Non-billableOther diseases of lip and oral mucosa
Other diseases of lip and oral mucosa
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- epithelial disturbances of tongue
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
Child Codes (8)
K13.0Diseases of lips
K13.1Cheek and lip biting
K13.2Leukoplakia and oth disturb of oral epithelium, inc tongue
K13.3Hairy leukoplakia
K13.4Granuloma and granuloma-like lesions of oral mucosa
K13.5Oral submucous fibrosis
K13.6Irritative hyperplasia of oral mucosa
K13.7Other and unspecified lesions of oral mucosa
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for other diseases of lip and oral mucosa?
The ICD-10-CM code for other diseases of lip and oral mucosa is K13. The full clinical description is "Other diseases of lip and oral mucosa". K13 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K13 mean?
ICD-10-CM code K13 represents “Other diseases of lip and oral mucosa”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K13 a billable code?
No, K13 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under K13.
What chapter is K13 in?
K13 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K13?
K13 has 8 child codes, including: K13.0 (Diseases of lips), K13.1 (Cheek and lip biting), K13.2 (Leukoplakia and oth disturb of oral epithelium, inc tongue), K13.3 (Hairy leukoplakia), and 4 more.
Are additional codes required with K13?
Yes, when using K13, 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 are the UMLS CUIs for K13?
K13 is linked to 2 UMLS Concept Unique Identifiers: C0494716, C4290198. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K13 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other diseases of lip and oral mucosa 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?
K13 maps to the ICD-11 code: DA02.3 (Contact gingivostomatitis).
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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.