ICD-10-CM Code K12.3
Oral mucositis (ulcerative)
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.ICD Code K12.3 is a non-billable code. To code a diagnosis of this type, you must use one of the five child codes of K12.3 that describes the diagnosis 'oral mucositis (ulcerative)' in more detail.
- K12.3 Oral mucositis (ulcerative) NON-BILLABLE
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- BILLABLE K12.30 Oral mucositis (ulcerative), unspecified
- BILLABLE K12.31 Oral mucositis (ulcerative) due to antineoplastic therapy
- BILLABLE K12.32 Oral mucositis (ulcerative) due to other drugs
- BILLABLE K12.33 Oral mucositis (ulcerative) due to radiation
- BILLABLE K12.39 Other oral mucositis (ulcerative)
The ICD code K12 is used to code Mouth ulcer
A mouth ulcer (also termed an oral ulcer, or a mucosal ulcer) is an ulcer that occurs on the mucous membrane of the oral cavity. Mouth ulcers are very common, occurring in association with many diseases and by many different mechanisms, but usually there is no serious underlying cause.
| Specialty: | Oral Medicine |
| MeSH Code: | D019226 |
| ICD 9 Code: | 528.9 |
A mouth ulcer (in this case associated with aphthous stomatitis) on the labial mucosa (lining of the lower lip).
Coding Notes for K12.3 Info for medical coders on how to properly use this ICD-10 code
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Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive. - Mucositis (oral) (oropharyneal)
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Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here." - Gastrointestinal mucositis (ulcerative) - instead, use code K92.81
- Mucositis (ulcerative) of vagina and vulva - instead, use code N76.81
- Nasal mucositis (ulcerative) - instead, use code J34.81
Coding Advice SNOMET-CT
- Possible requirement for an external cause code
ICD-10-CM Alphabetical Index References for 'K12.3 - Oral mucositis (ulcerative)'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code K12.3. Click on any term below to browse the alphabetical index.
Parent Code: K12 - Stomatitis and related lesions