ICD-10-CM › Q00-QA1 › Q10-Q18 › Q16 Congenital malformations of ear... › Q16.5
Congenital malformation of inner ear
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Congenital malformation of inner ear
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from Q16 Congenital malformations of ear causing impairment of hearing
Excludes1 - never coded here
- congenital deafness (H90.-)
Inherited from the Q10-Q18 section Congenital malformations of eye, ear, face and neck (Q10-Q18)
Excludes2 - not included here
- 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)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Cleft
- Extra
- Fused
- Stump
- Patent
- Trifid
- Triple
- Window
- Aplasia
- Missing
- Aberrant
- Patulous
- Abnormity
- Asymmetry
- Dysplasia
- Additional
- Amputation
- Lobulation
- Nonclosure
- Nondescent
- Fold, folds
- Rudimentary
- Undescended
- Malformation
- Triplication
- Transposition
- Birth > defect
- Maldevelopment
- Disarticulation
- Septum, septate
- Union, abnormal
- Dilated, dilation
- Imperfect > fusion
- Vestige, vestigial
- Duplication, duplex
- Lesion > congenital
- Loss > organ or part
- Pervious, congenital
- Elongated, elongation
- Open, opening > false
Showing 40 of 129 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| Q16.0 | Congenital absence of (ear) auricle | Valid |
| Q16.1 | Congenital absence, atresia and stricture of auditory canal (external) | Valid |
| Q16.2 | Absence of eustachian tube | Valid |
| Q16.3 | Congenital malformation of ear ossicles | Valid |
| Q16.4 | Other congenital malformations of middle ear | Valid |
| Q16.9 | Congenital malformation of ear causing impairment of hearing, unspecified | Valid |