2021 ICD-10-CM Diagnosis Code Q17.9

Congenital malformation of ear, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • Q17.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM Q17.9 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of Q17.9 - other international versions of ICD-10 Q17.9 may differ.
Applicable To
  • Congenital anomaly of ear NOS
The following code(s) above Q17.9 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 Q17.9:
  • Q00-Q99
    2021 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
    2021 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
  • Q17
    ICD-10-CM Diagnosis Code Q17

    Other congenital malformations of ear

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital malformations of ear with impairment of hearing (Q16.0-Q16.9)
    • preauricular sinus (Q18.1)
    Other congenital malformations of ear
Approximate Synonyms
  • Anomaly, ear, congenital
  • Congenital abnormality of bilateral external ears
  • Congenital abnormality of external ear
  • Congenital abnormality of left external ear
  • Congenital abnormality of right external ear
  • Congenital anomaly of bilateral ears
  • Congenital anomaly of ear
  • Congenital anomaly of left ear
  • Congenital anomaly of right ear
  • Congenital bilateral ear anomaly
  • Congenital bilateral external ear anomaly
  • Congenital external ear anomaly
  • Congenital left ear anomaly
  • Congenital left external ear anomaly
  • Congenital right ear anomaly
  • Congenital right external 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.
  • Q17.9 is considered exempt from POA reporting.
ICD-10-CM Q17.9 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 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 Q17.9 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
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to Q17.9:

ICD-10-CM Codes Adjacent To Q17.9
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
Q18 Other congenital malformations of face and neck
Q18.0 Sinus, fistula and cyst of branchial cleft
Q18.1 Preauricular sinus and cyst
Q18.2 Other branchial cleft malformations
Q18.3 Webbing of neck
Q18.4 Macrostomia
Q18.5 Microstomia
Q18.6 Macrocheilia
Q18.7 Microcheilia
Q18.8 Other specified congenital malformations of face and neck

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