K13 is the ICD-10 code for Other diseases of lip and oral mucosa. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block K00–K14 (Diseases of oral cavity, salivary glands and jaws) in Chapter XI, Diseases of the digestive system.
- Code type
- Category (3 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K13 includes
Conditions and terms that are coded here.
- epithelial disturbances of tongue
What K13 excludes
Conditions that look similar but belong under another code.
Subcodes of K13
- K13.0Diseases of lips
- K13.1Cheek and lip biting
- K13.2Leukoplakia and other disturbances of oral epithelium, including 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
K13 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DK13Andre sygdomme i læber og mundslimhinde
K13Muut huulten ja suun limakalvon sairaudet
K13Sonstige Krankheiten der Lippe und der Mundschleimhaut
K13Autres maladies des lèvres et de la muqueuse buccale
K13overige ziekten van lip en mondslijmvlies
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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