facial nerve disorder movement disorder isolated facial myokymia https://github.com/monarch-initiative/mondo/issues/6752 UMLS:C0270871 A condition that consists of spontaneous, gentle, constant, rippling contractions that spread through the affected striated muscle. Orphanet:221106 MONDO:0016373 Editor note: todo check MESH MEDGEN:78741 ICD10CM:G51.4