2021 ICD-10-CM Diagnosis Code Q18.9

Congenital malformation of face and neck, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • Q18.9 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 Q18.9 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of Q18.9 - other international versions of ICD-10 Q18.9 may differ.
Applicable To
  • Congenital anomaly NOS of face and neck
The following code(s) above Q18.9 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 Q18.9:
  • 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
  • Q18
    ICD-10-CM Diagnosis Code Q18

    Other congenital malformations of face and neck

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • cleft lip and cleft palate (Q35-Q37)
    • conditions classified to Q67.0-Q67.4
    • congenital malformations of skull and face bones (Q75.-)
    • cyclopia (Q87.0)
    • dentofacial anomalies [including malocclusion] (M26.-)
    • malformation syndromes affecting facial appearance (Q87.0)
    • persistent thyroglossal duct (Q89.2)
    Other congenital malformations of face and neck
Approximate Synonyms
  • Congenital anomaly of face
  • Congenital anomaly of neck
  • Congenital deformity of face
  • Congenital facial anomaly
  • Congenital neck anomaly
  • Dysmorphic face
  • Dysmorphic facies
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.
  • Q18.9 is considered exempt from POA reporting.
ICD-10-CM Q18.9 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert Q18.9 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 Q18.9:
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • face Q18.9
    • cheek Q18.9
    • chin Q18.9
    • neck Q18.9 (any part)
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • cheek (acquired) M95.2
      ICD-10-CM Diagnosis Code M95.2

      Other acquired deformity of head

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q18.9
    • chin (acquired) M95.2
      ICD-10-CM Diagnosis Code M95.2

      Other acquired deformity of head

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q18.9
    • face (acquired) M95.2
      ICD-10-CM Diagnosis Code M95.2

      Other acquired deformity of head

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q18.9
    • neck (acquired) M95.3
      ICD-10-CM Diagnosis Code M95.3

      Acquired deformity of neck

        2016 2017 2018 2019 2020 2021 Billable/Specific Code

ICD-10-CM Codes Adjacent To Q18.9
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
Q18.9 Congenital malformation of face and neck, unspecified
Q20 Congenital malformations of cardiac chambers and connections
Q20.0 Common arterial trunk
Q20.1 Double outlet right ventricle
Q20.2 Double outlet left ventricle
Q20.3 Discordant ventriculoarterial connection
Q20.4 Double inlet ventricle
Q20.5 Discordant atrioventricular connection
Q20.6 Isomerism of atrial appendages
Q20.8 Other congenital malformations of cardiac chambers and connections
Q20.9 Congenital malformation of cardiac chambers and connections, unspecified

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