ICD-10-CM · Chapter 11 · K00–K95
K12.0
Recurrent oral aphthae
Diseases of the digestive system
Quick facts
- Code
- K12.0
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 11 — Diseases of the digestive system
- Category
- K12 — Stomatitis and related lesions
- Specificity
- 4 characters
How coders use this code
ICD-10-CM K12.0 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of recurrent oral aphthae. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in K12
- K12Stomatitis and related lesions
- K12.1Other forms of stomatitis
- K12.2Cellulitis and abscess of mouth
- K12.3Oral mucositis (ulcerative)
- K12.30Oral mucositis (ulcerative), unspecified
- K12.31Oral mucositis (ulcerative) due to antineoplastic therapy
- K12.32Oral mucositis (ulcerative) due to other drugs
- K12.33Oral mucositis (ulcerative) due to radiation
- K12.39Other oral mucositis (ulcerative)
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