ICD-10-CM Codes
Q00-Q99
Q10-Q18
Q18-
2023 ICD-10-CM Diagnosis Code Q18.8

2023 ICD-10-CM Diagnosis Code Q18.8

Other specified congenital malformations of face and neck

2016

2017

2018

2019

2020

2021

2022

2023

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 2023 edition of ICD-10-CM Q18.8 became effective on October 1, 2022.
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
2023 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
2023 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
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 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 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.

Q18.8 is considered exempt from POA reporting.

ICD-10-CM Q18.8 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

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
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to Q18.8:

Absence (of) (organ or part) (complete or partial)
- chin, congenital Q18.8
- face, specified part NEC Q18.8
- neck, part Q18.8
Agenesis
- face
  - specified part NEC Q18.8
- chin Q18.8
- neck, part Q18.8
Anomaly, anomalous (congenital) (unspecified type) Q89.9
ICD-10-CM Diagnosis Code Q89.9
Congenital malformation, unspecified
Applicable To
Congenital anomaly NOS
Congenital deformity NOS
- eyebrow Q18.8
Cyst (colloid) (mucous) (simple) (retention)
- medial, face and neck Q18.8
Deformity Q89.9
ICD-10-CM Diagnosis Code Q89.9
Congenital malformation, unspecified
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
- medial, face and neck Q18.8
Flattening
- lip Q18.8 (congenital)
Hypoplasia, hypoplastic
- face Q18.8
Malposition
- congenital
  - facial features Q18.8
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

Q18.3 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

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

2023 ICD-10-CM Diagnosis Code Q18.8

Other specified congenital malformations of face and neck

Congenital malformations, deformations and chromosomal abnormalities

Congenital malformations of eye, ear, face and neck

Other congenital malformations of face and neck

Congenital malformation, unspecified

Congenital malformation, unspecified

Other specified disorders of the skin and subcutaneous tissue