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Q16.5 - Congenital malformation of inner ear


The ICD 10 Code for Congenital malformation of inner ear is listed as Q16.5.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Q16.5
Description: Congenital malformation of inner ear
  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of organ of Corti
Diagnostic Related Groups
(MS-DRG v30.0)
154 - Other Ear, Nose, Mouth & Throat Diagnoses W Mcc
155 - Other Ear, Nose, Mouth & Throat Diagnoses W Cc
156 - Other Ear, Nose, Mouth & Throat Diagnoses W/o Cc/mcc
Chapter Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Block Congenital malformations of eye, ear, face and neck (Q10-Q18)
Parent Q16 - Congenital malformations of ear causing impairment of hearing
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 744.05 - Anomalies of inner ear
ICD-10-CM Siblings (same level / similar specificity) of Q16.5:
Q16.0 - Congenital absence of (ear) auricle
Q16.1 - Congenital absence, atresia and stricture of auditory canal (external)
Q16.2 - Absence of eustachian tube
Q16.3 - Congenital malformation of ear ossicles
Q16.4 - Other congenital malformations of middle ear
Q16.9 - Congenital malformation of ear causing impairment of hearing, unspecified