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ICD-10-CM Codes
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Q00-Q99
Congenital malformations, deformations and chromosomal abnormalities
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Q10-Q18
Congenital malformations of eye, ear, face and neck
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Q18-
Other congenital malformations of face and neck
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2021 ICD-10-CM Diagnosis Code Q18.8
2021 ICD-10-CM Diagnosis Code Q18.8
Other specified congenital malformations of face and neck
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
- Q18.8 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 Q18.8 became effective on October 1, 2020.
- This is the American ICD-10-CM version of Q18.8 - other international versions of ICD-10 Q18.8 may differ.
Applicable To- Medial cyst of face and neck
- Medial fistula of face and neck
- Medial sinus of face and neck
The following code(s) above
Q18.8 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
Q18.8:
- Q00-Q99
2021 ICD-10-CM Range Q00-Q99
Congenital malformations, deformations and chromosomal abnormalitiesNote- Codes from this chapter are not for use on maternal records
Type 2 Excludes- inborn errors of metabolism (E70-E88)
- Q10-Q18
2021 ICD-10-CM Range Q10-Q18
Congenital malformations of eye, ear, face and neckType 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)
- 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)
- Congenital medial cyst of face
- Congenital medial cyst of neck
- Congenital medial fistula of face
- Congenital medial fistula of neck
- Congenital medial sinus of face
- Congenital medial sinus of neck
Present On AdmissionPOA 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.
- Q18.8 is considered exempt from POA reporting.
ICD-10-CM Q18.8 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 Q18.8 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
- Absence (of) (organ or part) (complete or partial)
- chin, congenital Q18.8
- face, specified part NEC Q18.8
- neck, part Q18.8
- Agenesis
- face
- chin Q18.8
- neck, part Q18.8
- 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
- Cyst (colloid) (mucous) (simple) (retention)
- medial, face and neck Q18.8
- 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
- eyebrow Q18.8 (congenital)
- Fistula (cutaneous) L98.8
ICD-10-CM Diagnosis Code L98.8
Other specified disorders of the skin and subcutaneous tissue
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- medial, face and neck Q18.8
- Flattening
- Hypoplasia, hypoplastic
- Malposition
- Sinus - see also Fistula
- medial, face and neck Q18.8
ICD-10-CM Codes Adjacent To Q18.8
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
Q18.8
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
