K12.3
Oral mucositis (ulcerative)
- Release
- FY 2027
- Effective
Hierarchy
Where K12.3 sits in the official hierarchy. Each level is the code it is classified under.
- K12 Parent Stomatitis and related lesions
- K12.3 This code Oral mucositis (ulcerative)
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Mucositis (oral) (oropharyneal)
Excludes2
gastrointestinal mucositis (ulcerative) ( K92.81 )
Excludes2
mucositis (ulcerative) of vagina and vulva ( N76.81 )
Excludes2
nasal mucositis (ulcerative) ( J34.81 )
Use Additional Code
alcohol abuse and dependence ( F10 .-)
Inherited from K12 — Stomatitis and related lesions
Use Additional Code
exposure to environmental tobacco smoke ( Z77.22 )
Inherited from K12 — Stomatitis and related lesions
Use Additional Code
exposure to tobacco smoke in the perinatal period ( P96.81 )
Inherited from K12 — Stomatitis and related lesions
Use Additional Code
history of tobacco dependence ( Z87.891 )
Inherited from K12 — Stomatitis and related lesions
Use Additional Code
occupational exposure to environmental tobacco smoke ( Z57.31 )
Inherited from K12 — Stomatitis and related lesions
More Specific Codes
5 codes under K12.3
- 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) Billable
Version History
How K12.3 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentOral mucositis (ulcerative)
-
FY 2026 Effective
UnchangedOral mucositis (ulcerative)
Related Codes
Other codes under K12
Codes whose official notes reference K12.3
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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