Q16.5

Congenital malformation of inner ear

Billable / specificPOA exempt

Q16.5 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of organ of Corti

Includes (from Q16)

  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

  • congenital deafness (H90.-) (from Q16)

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q16)
  • cleft lip and cleft palate (Q35-Q37) (from Q16)
  • congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4) (from Q16)
  • congenital malformation of larynx (Q31.-) (from Q16)
  • congenital malformation of lip NEC (Q38.0) (from Q16)
  • congenital malformation of nose (Q30.-) (from Q16)
  • congenital malformation of parathyroid gland (Q89.2) (from Q16)
  • congenital malformation of thyroid gland (Q89.2) (from Q16)

Also known as

  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of organ of Corti
  • Absence, ear, congenital, inner
  • Absence, inner ear, congenital
  • Absence, labyrinth, membranous
  • Absence, organ, of Corti, congenital
  • Agenesis, labyrinth, membranous
  • Agenesis, organ, of Corti
  • Anomaly, anomalous, ear, inner
  • Anomaly, anomalous, labyrinth, membranous
  • Anomaly, anomalous, organ, of Corti
  • Aplasia, labyrinth, membranous
  • Collapse, labyrinth, membranous
  • Deformity, ear, congenital, internal
  • Deformity, organ of Corti
  • Degeneration, degenerative, membranous labyrinth, congenital
  • Degeneration, degenerative, saccule, congenital

Parent code

  • Q16Congenital malformations of ear causing impairment of hearingHeader

Related codes

  • Q16.0Congenital absence of (ear) auricleBillable
  • Q16.1Congenital absence, atresia and stricture of auditory canal (external)Billable
  • Q16.2Absence of eustachian tubeBillable
  • Q16.3Congenital malformation of ear ossiclesBillable
  • Q16.4Other congenital malformations of middle earBillable
  • Q16.9Congenital malformation of ear causing impairment of hearing, unspecifiedBillable

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