Diagnosis Code: Q16.5

Short Description: Congenital malformation of inner ear

Long Description: Congenital malformation of inner ear

The code Q16.5 is VALID for claim submission

Code Classification:

• Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • Congenital malformations of eye, ear, face and neck (Q10-Q18)
    • Congenital malform of ear causing impairment of hearing (Q16)
      • Q16.5 Congenital malformation of inner ear

Code Version: 2022 ICD-10-CM

Synonyms

• Aplasia of the cochlea and vestibular labyrinth
• Bilateral congenital malformation of ears
• Cerebrospinal fluid otorrhea
• Cerebrospinal fluid otorrhea due to congenital deformity of labyrinth
• Complete deafness
• Congenital abnormal shape of inner ear
• Congenital absence of membranous labyrinth
• Congenital anomaly of cochlea
• Congenital anomaly of inner ear
• Congenital anomaly of membranous labyrinth
• Congenital anomaly of organ of Corti
• Congenital anomaly of semicircular canal
• Congenital anomaly of vestibule of inner ear
• Congenital aplasia of inner ear
• Congenital cochleovestibular malformation
• Congenital deafness
• Congenital deafness with labyrinthine aplasia, microtia and microdontia
• Congenital deformity of labyrinth
• Congenital dysplasia of ear vestibule
• Congenital malformation of bilateral inner ears
• Congenital malformation of left inner ear
• Congenital malformation of right inner ear
• Incomplete development of membranous labyrinth
• Incomplete formation of bony cochlea
• Microdontia
• Microtia
• Mondini defect
• Structural anomaly of the cochlea and vestibular labyrinth

Diagnostic Related Group(s)

The code Q16.5 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Other Ear, Nose, Mouth And Throat Diagnoses With Mcc (154)
• Other Ear, Nose, Mouth And Throat Diagnoses With Cc (155)
• Other Ear, Nose, Mouth And Throat Diagnoses Without Cc/mcc (156)

References to Index of Diseases and Injuries

The code Q16.5 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of organ of Corti

Crosswalk Information

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This page was last updated on: 10/1/2023

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