K13.7
Other and unspecified lesions of oral mucosa
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
K13.7 is a non-billable ICD-10-CM code header for other and unspecified lesions of oral mucosa. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K13.70 Unspecified lesions of oral mucosa and K13.79 Other lesions of oral mucosa. Its coding notes include a Use additional code instruction and 12 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Inherited from K13 Other diseases of lip and oral mucosa
- code to identify:
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Inherited from K13 Other diseases of lip and oral mucosa
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Includes
Further defines or gives examples of the content of the category.
Inherited from K13 Other diseases of lip and oral mucosa
- epithelial disturbances of tongue