528.2 ORAL APHTHAE

Home > ICD-9 List > Diseases of the digestive system > Diseases of oral cavity, salivary glands, and jaws (520-529) > 528 Diseases of the oral soft tissues, excluding lesions specific for gingiva and tongue > 528.2

Code Information

Diagnosis Code: 528.2

Short Description: Oral aphthae

Long Description: Oral aphthae

Code Classification:

Diseases of the digestive system (520–579)
- Diseases of oral cavity, salivary glands, and jaws (520-529)
  - 528 Diseases of the oral soft tissues, excluding lesions specific for gingiva and tongue
    - 528.2 Oral aphthae

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 528.2 has the following ICD-9-CM references to the Index of Diseases and Injuries

Aphthae, aphthous - see also condition
- Bednar's 528.2
- oral 528.2
- stomatitis 528.2
- ulcer (oral) (recurrent) 528.2
  - genital organ(s) NEC
    - female 616.50
    - male 608.89
  - larynx 478.79

Bednar's aphthae 528.2

Canker (mouth) (sore) 528.2
- rash 034.1

Periadenitis mucosa necrotica recurrens 528.2

Sore
- mouth 528.9
  - canker 528.2

Stomatitis 528.00
- aphthous 528.2
- herpetiformis 528.2

Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
- aphthous (oral) (recurrent) 528.2
  - genital organ(s)
    - female 616.50
    - male 608.89
  - mouth 528.2

Crosswalk Information

The code 528.2 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
528.2		K12.0	Recurrent oral aphthae

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
528.00	Stomatitis and mucositis, unspecified
528.01	Mucositis (ulcerative) due to antineoplastic therapy
528.02	Mucositis (ulcerative) due to other drugs
528.09	Other stomatitis and mucositis (ulcerative)
528.1	Cancrum oris
528.3	Cellulitis and abscess of oral soft tissues
528.4	Cysts of oral soft tissues
528.5	Diseases of lips
528.6	Leukoplakia of oral mucosa, including tongue
528.71	Minimal keratinized residual ridge mucosa
528.72	Excessive keratinized residual ridge mucosa
528.79	Other disturbances of oral epithelium, including tongue
528.8	Oral submucosal fibrosis, including of tongue
528.9	Other and unspecified diseases of the oral soft tissues

This page was last updated on: 10/1/2014

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