- Q16.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM Q16.4 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q16.4 – other international versions of ICD-10 Q16.4 may differ.
ICD-10-CM Q16.4 is grouped within Diagnostic Related Group(s):
- 154 Other ear, nose, mouth and throat diagnoses with mcc
- 155 Other ear, nose, mouth and throat diagnoses with cc
- 156 Other ear, nose, mouth and throat diagnoses without cc/mcc
Applicable To
- Congenital malformation of middle ear NOS
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q16.4:
- middle, except ossicles > ear, congenital Q16.9
- osseous meatus (ear) > Absence (of) (organ or part) (complete or partial)
- middle (causing impairment of hearing) > ear (external) Q17.9
- middle ear > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- middle > congenital (external) Q17.9
- middle ear (congenital) > Deformity Q89.9
- middle > ear (auricle) (external) Q17.3
- middle > ear (auricle) (lobe) Q17.2
- ear drum (causing impairment of hearing) > closure (congenital) Q45.8
- tympanic membrane (causing impairment of hearing) > closure (congenital) Q45.8
- middle ear > Maldevelopment
- except ossicles > middle ear Q16.4
- middle > ear Q17.9
- middle ear > Malformation (congenital)