General Information of Disease (ID: DISY9BCT)

Disease Name Prelingual non-syndromic genetic hearing loss
Synonyms isolated prelingual genetic deafness; prelingual non-syndromic genetic deafness; prelingual non-syndromic genetic hearing loss
Definition
A rare, genetically highly heterogeneous otorhinolaryngologic disease, resulting from inner and/or middle ear or hearing nerve anomalies, typically characterized by bilateral, severe to profound hearing loss (mean sensorineural hearing impairment of 60 dB or more for 500-, 1,000-, and 2,000-Hz frequency tones in the better ear) which occurs before the onset of speech development and is not associated with visible external ear abnormalities or any other medical problems. It is usually nonprogressive and impedes oral language acquisition.
Disease Hierarchy
DISZX61P: Nonsyndromic genetic hearing loss
DISY9BCT: Prelingual non-syndromic genetic hearing loss
Disease Identifiers
MONDO ID
MONDO_0016297
UMLS CUI
C4706679
MedGen ID
1647959
Orphanet ID
216445
SNOMED CT ID
764098007