2020 ICD-10-CM Diagnosis Code Q16.5

Congenital malformation of inner ear

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • Q16.5 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM Q16.5 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of Q16.5 - other international versions of ICD-10 Q16.5 may differ.
Applicable To
  • Congenital anomaly of membranous labyrinth
  • Congenital anomaly of organ of Corti
The following code(s) above Q16.5 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q16.5:
  • Q00-Q99
    2020 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
  • Q10-Q18
    2020 ICD-10-CM Range Q10-Q18

    Congenital malformations of eye, ear, face and neck

    Type 2 Excludes
    • 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)
    Congenital malformations of eye, ear, face and neck
  • Q16
    ICD-10-CM Diagnosis Code Q16

    Congenital malformations of ear causing impairment of hearing

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital deafness (H90.-)
    Congenital malformations of ear causing impairment of hearing
Approximate Synonyms
  • Congenital anomaly of bilateral inner ears
  • Congenital anomaly of inner ear
  • Congenital anomaly of left inner ear
  • Congenital anomaly of right inner ear
  • Congenital bilateral inner ear anomaly
  • Congenital inner ear anomaly
  • Congenital left inner ear anomaly
  • Congenital right inner ear anomaly
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q16.5 is considered exempt from POA reporting.
ICD-10-CM Q16.5 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 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

Convert Q16.5 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 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

Diagnosis Index entries containing back-references to Q16.5:
  • Absence (of) (organ or part) (complete or partial)
    • ear, congenital Q16.9
      ICD-10-CM Diagnosis Code Q16.9

      Congenital malformation of ear causing impairment of hearing, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital absence of ear NOS
      • inner Q16.5
    • organ
      • of Corti, congenital Q16.5
    • inner ear, congenital Q16.5
    • labyrinth, membranous Q16.5
  • Agenesis
    • organ
      • of Corti Q16.5
    • labyrinth, membranous Q16.5
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • ear (external) Q17.9
      ICD-10-CM Diagnosis Code Q17.9

      Congenital malformation of ear, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital anomaly of ear NOS
      • inner Q16.5
    • organ Q89.9
      ICD-10-CM Diagnosis Code Q89.9

      Congenital malformation, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital anomaly NOS
      • Congenital deformity NOS
      • of Corti Q16.5
    • labyrinth, membranous Q16.5
  • Aplasia - see also Agenesis
    • labyrinth, membranous Q16.5
  • Collapse R55
    ICD-10-CM Diagnosis Code R55

    Syncope and collapse

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Blackout
    • Fainting
    • Vasovagal attack
    Type 1 Excludes
    • cardiogenic shock (R57.0)
    • carotid sinus syncope (G90.01)
    • heat syncope (T67.1)
    • neurocirculatory asthenia (F45.8)
    • neurogenic orthostatic hypotension (G90.3)
    • orthostatic hypotension (I95.1)
    • postprocedural shock (T81.1-)
    • psychogenic syncope (F48.8)
    • shock NOS (R57.9)
    • shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
    • shock complicating or following labor and delivery (O75.1)
    • Stokes-Adams attack (I45.9)
    • unconsciousness NOS (R40.2-)
    • labyrinth, membranous Q16.5 (congenital)
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • ear (acquired) - see also Disorder, pinna, deformity
      • congenital (external) Q17.9
        ICD-10-CM Diagnosis Code Q17.9

        Congenital malformation of ear, unspecified

          2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
        Applicable To
        • Congenital anomaly of ear NOS
        • internal Q16.5
    • organ of Corti Q16.5 (congenital)
  • Degeneration, degenerative
    • membranous labyrinth, congenital Q16.5 (causing impairment of hearing)
    • saccule, congenital Q16.5 (causing impairment of hearing)
  • Dilatation
    • saccule, congenital Q16.5
  • Distortion(s) (congenital)
    • organ
      • of Corti Q16.5
    • ear (auricle) (external) Q17.3
      ICD-10-CM Diagnosis Code Q17.3

      Other misshapen ear

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Pointed ear
      • inner Q16.5
  • Enlargement, enlarged - see also Hypertrophy
    • vestibular aqueduct Q16.5
  • Malformation (congenital) - see also Anomaly
    • cochlea Q16.5
    • internal ear Q16.5
    • Mondini's Q16.5 (congenital) (malformation, cochlea)
    • ear Q17.9
      ICD-10-CM Diagnosis Code Q17.9

      Congenital malformation of ear, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
      Applicable To
      • Congenital anomaly of ear NOS
      • inner Q16.5
  • Mondini's malformation Q16.5 (cochlea)

ICD-10-CM Codes Adjacent To Q16.5
Q15 Other congenital malformations of eye
Q15.0 Congenital glaucoma
Q15.8 Other specified congenital malformations of eye
Q15.9 Congenital malformation of eye, unspecified
Q16 Congenital malformations of ear causing impairment of hearing
Q16.0 Congenital absence of (ear) auricle
Q16.1 Congenital absence, atresia and stricture of auditory canal (external)
Q16.2 Absence of eustachian tube
Q16.3 Congenital malformation of ear ossicles
Q16.4 Other congenital malformations of middle ear
Q16.5 Congenital malformation of inner ear
Q16.9 Congenital malformation of ear causing impairment of hearing, unspecified
Q17 Other congenital malformations of ear
Q17.0 Accessory auricle
Q17.1 Macrotia
Q17.2 Microtia
Q17.3 Other misshapen ear
Q17.4 Misplaced ear
Q17.5 Prominent ear
Q17.8 Other specified congenital malformations of ear
Q17.9 Congenital malformation of ear, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.