Q16.9
Billable codeCongenital malformation of ear causing impairment of hearing, unspecified
The ICD-10 code for congenital malformation of ear causing impairment of hearing, unspecified is Q16.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Congenital absence of ear NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Q16.0Congenital absence of (ear) auricle
- Q16.1Congenital absence, atresia and stricture of auditory canal (external)
- Q16.2Absence of eustachian tube
- Q16.3Congenital malformation of ear ossicles
- Q16.4Other congenital malformations of middle ear
- Q16.5Congenital malformation of inner ear
- Q16.9Congenital malformation of ear causing impairment of hearing, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 74400Approximate match
- 74409Approximate match
Associated MS-DRGs
Q16.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.