Abnormality Of Levator Anguli Oris C4073277
A condition affecting a facial muscle that helps raise the corner of the mouth. It can cause subtle asymmetry when smiling. Treatment is typically conservative, focusing on observation or cosmetic consultation if needed.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
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Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy