K12.0 is the ICD-10 code for Recurrent oral aphthae. It is a four-character subcategory of K12 (Stomatitis and related lesions), the most specific level in the WHO edition. 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
- Subcategory (4 characters)
- Chapter
- XI · K00–K93
- Classification
- WHO ICD-10, 2019 version
What K12.0 includes
Conditions and terms that are coded here.
- Aphthous stomatitis (major)(minor)
- Bednar aphthae
- Periadenitis mucosa necrotica recurrens
- Recurrent aphthous ulcer
- Stomatitis herpetiformis
K12.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
K12.0Recidiverande afte
K12.0Tilbakevendende munnskåld
DK120Aftøs mundbetændelse
- DK120AAphthae oris recurrentes
- DK120BBednars after
- DK120CPeriadenitis mucosa necrotica recurrens
- DK120DStomatitis herpetiformis
Listed through more specific codes:
- K12.00Uusiutuvat suun aftat
- K12.01Arpeutuva aftoosi suutulehdus
- K12.02Herpeksenkaltainen suutulehdus
- K12.03Bednarin aftat
K12.0Rezidivierende orale Aphthen
K12.0Aphtes buccaux récidivants
K12.0recidiverende mondaften
K12.0Recurrent oral aphthae
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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