2024 ICD-10-CM Diagnosis Code K12.0
Recurrent oral aphthae
- ICD-10-CM Code:
- K12.0
- ICD-10 Code for:
- Recurrent oral aphthae
- Is Billable?
- Yes - Valid for Submission
- Chronic Condition Indicator: [1]
- Chronic
- Code Navigator:
K12.0 is a billable diagnosis code used to specify a medical diagnosis of recurrent oral aphthae. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Abrasion of hard palate
- Abrasion of palate
- Aphthae major
- Aphthous ulcer of mouth
- Aphthous ulcer of mouth
- Aphthous ulceration of skin and/or mucous membrane
- Bednar's aphthae
- Cervical lymphadenitis
- Herpetiform aphthous stomatitis
- MAGIC syndrome
- Minor oral aphthous ulceration
- PFAPA syndrome
- Recurrent aphthous stomatitis
- Recurrent aphthous ulcer
- Recurrent aphthous ulcer
- Recurrent ulcer of mouth
- Recurrent ulcer of mouth
- Recurrent ulcer of mouth
- Recurrent ulcer of mouth
- Superficial injury of palate
- Traumatic oral ulceration
- Traumatic ulcer of oral mucosa
Clinical Classification
| Clinical Category | CCSR Category Code | Inpatient Default CCSR | Outpatient Default CCSR |
|---|---|---|---|
| Any dental condition including traumatic injury | DEN001 | N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis. | N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis. |
| Diseases of mouth; excluding dental | DIG003 | Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis. | Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis. |
| Nontraumatic dental conditions | DEN002 | N - Not default inpatient assignment for principal diagnosis or first-listed diagnosis. | N - Not default outpatient assignment for principal diagnosis or first-listed diagnosis. |
Clinical Information
Cervical Lymphadenitis
inflammation of the cervical lymph nodes.
Tabular List of Diseases and Injuries
The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.
Inclusion Terms
Inclusion TermsThese terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Aphthous stomatitis (major) (minor)
- Bednar's aphthae
- Periadenitis mucosa necrotica recurrens
- Recurrent aphthous ulcer
- Stomatitis herpetiformis
Index to Diseases and Injuries References
The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).
- - Aphthae, aphthous - See Also: condition;
- - Bednar's - K12.0
- - oral (recurrent) - K12.0
- - stomatitis (major) (minor) - K12.0
- - ulcer (oral) (recurrent) - K12.0
- - Canker (mouth) (sore) - K12.0
- - Periadenitis mucosa necrotica recurrens - K12.0
- - Stomatitis (denture) (ulcerative) - K12.1
- - aphthous - K12.0
- - herpetiformis - K12.0
Convert K12.0 to ICD-9-CM
- ICD-9-CM Code: 528.2 - Oral aphthae
Patient Education
Fever Blisters & Canker Sores
Both fever blisters and canker sores are common across all ages and can be painful. However, they are separate conditions with different causes.[Learn More in MedlinePlus]
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.