K13Other diseases of lip and oral mucosa
Code usage status
Primary diagnosis
Select a more specific code
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Do not use K13 directly
Use the most specific code supported by the record.
- Chapter XI
- Diseases of the digestive system
- Group K00-K14
- Diseases of oral cavity, salivary glands and jaws
- Official Vietnamese name
- Bệnh khác của môi và/hoặc niêm mạc miệng
- Additional WHO coding guidance
- Incl.: epithelial disturbances of tongue Excl.: certain disorders of gingiva and edentulous alveolar ridge (K05-K06) cysts of oral region (K09.-) diseases of tongue (K14.-) stomatitis and related lesions (K12.-)
Related K13 codes
K13.0
Primary diagnosis candidate
Diseases of lips
K13.1
Primary diagnosis candidate
Cheek and lip biting
K13.2
Primary diagnosis candidate
Leukoplakia and other disturbances of oral epithelium, including tongue
K13.3
Primary diagnosis candidate
Hairy leukoplakia
K13.4
Primary diagnosis candidate
Granuloma and granuloma-like lesions of oral mucosa
K13.5
Primary diagnosis candidate
Oral submucous fibrosis
K13.6
Primary diagnosis candidate
Irritative hyperplasia of oral mucosa
K13.7
Primary diagnosis candidate
Other and unspecified lesions of oral mucosa
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
