peripheral vertigo endolymphatic hydrops ICD9:386.8 DOID:9848 An accumulation of endolymph in the inner ear (labyrinth) leading to buildup of pressure and distortion of intralabyrinthine structures, such as cochlea and semicircular canals. It is characterized by sensorineural hearing loss; tinnitus; and sometimes vertigo. MONDO:0006744 MESH:D018159 SCTID:27621000119100 MedDRA:10049934 MEDGEN:60183 UMLS:C0206586 EFO:1000918