- Q16.5 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 Q16.5 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q16.5 – other international versions of ICD-10 Q16.5 may differ.
ICD-10-CM Q16.5 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 anomaly of membranous labyrinth
- Congenital anomaly of organ of Corti
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 Q16.5:
- inner > ear, congenital Q16.9
- inner ear, congenital > Absence (of) (organ or part) (complete or partial)
- labyrinth, membranous > Absence (of) (organ or part) (complete or partial)
- organ > Absence (of) (organ or part) (complete or partial)
- of Corti, congenital > organ Q16.5
- labyrinth, membranous > Agenesis
- organ > Agenesis
- of Corti > organ Q16.5
- inner > ear (external) Q17.9
- labyrinth, membranous > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- of Corti > organ Q89.9
- labyrinth, membranous > Aplasia
- labyrinth, membranous (congenital) > Collapse R55
- internal > congenital (external) Q17.9
- organ of Corti (congenital) > Deformity Q89.9
- membranous labyrinth, congenital (causing impairment of hearing) > Degeneration, degenerative
- saccule, congenital (causing impairment of hearing) > Degeneration, degenerative
- saccule, congenital > Dilatation
- inner > ear (auricle) (external) Q17.3
- organ > Distortion (s) (congenital)
- of Corti > organ Q16.5
- vestibular aqueduct > Enlargement, enlarged
- cochlea > Malformation (congenital)
- inner > ear Q17.9
- internal ear > Malformation (congenital)
- Mondini\’s (congenital) (malformation, cochlea) > Malformation (congenital)