ICD-10-CM code · FY2027
Q16.5 Congenital malformation of inner ear
BillableValid for claims as a specific diagnosis code
About Q16.5
- Code
- Q16.5
- Billable
- Yes
- Short description
- Congenital malformation of inner ear
- Category
- Q16 Congenital malformations of ear causing impairment of hearing
- Block
- Q10-Q18 Congenital malformations of eye, ear, face and neck
- Chapter
- 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
- Code set
- FY2027, October 1, 2026 to September 30, 2027
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Coding notes for Q16.5
Applicable to Other names for conditions reported with this code.
- Congenital anomaly of membranous labyrinth
- Congenital anomaly of organ of Corti
Also applies, from Q16 Congenital malformations of ear causing impairment of hearing
Excludes1 Not coded here: never report these together with this code (use the code given instead).
- congenital deafness (H90.-)
Block Q10-Q18 notes (apply to every code in it)
Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.
- cleft lip and cleft palate (Q35-Q37)
- congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)
- congenital malformation of larynx (Q31.-)
- congenital malformation of lip NEC (Q38.0)
- congenital malformation of nose (Q30.-)
- congenital malformation of parathyroid gland (Q89.2)
- congenital malformation of thyroid gland (Q89.2)
Related codes in Q16
- Q16.0 Congenital absence of (ear) auricleBillable
- Q16.1 Congenital absence, atresia and stricture of auditory canal (external)Billable
- Q16.2 Absence of eustachian tubeBillable
- Q16.3 Congenital malformation of ear ossiclesBillable
- Q16.4 Other congenital malformations of middle earBillable
- Q16.9 Congenital malformation of ear causing impairment of hearing, unspecifiedBillable
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