Q18.2
BillableOther branchial cleft malformations
Other branchial cleft malformations
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Branchial cleft malformation NOS
- Cervical auricle
- Otocephaly
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •inborn errors of metabolismE70-E88
- •cleft lip and cleft palateQ35-Q37
- •congenital malformation of cervical spine, , ,Q05.0, Q05.5, Q67.5, Q76.0-Q76.4
- •congenital malformation of larynxQ31
- •congenital malformation of lip NECQ38.0
- •congenital malformation of noseQ30
- •congenital malformation of parathyroid glandQ89.2
- •congenital malformation of thyroid glandQ89.2
Related Codes(9)
Q18.0Sinus, fistula and cyst of branchial cleft
Q18.1Preauricular sinus and cyst
Q18.3Webbing of neck
Q18.4Macrostomia
Q18.5Microstomia
Q18.6Macrocheilia
Q18.7Microcheilia
Q18.8Other specified congenital malformations of face and neck
Q18.9Congenital malformation of face and neck, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(75)
SNOMED CT
- Cervical auricle26885007
- Cervical tab26885007
- Congenital cartilaginous rests of neck26885007
- Wattle26885007
- Branchial cleft cyst59857007
- Branchial cyst59857007
- Cyst of branchial cleft59857007
- Brachial cleft vestige excised287418007
- Branchial cleft362998000
- Branchial cleft anomaly362998000
- Remnant of embryonic branchial cleft362998000
- Midline cervical cleft403557001
- Congenital anomaly of first branchial cleft1003399005
- Congenital anomaly of second branchial cleft1231169000
- Second branchial cleft anomaly1231169000
- Congenital anomaly of third branchial cleft1231170004
- Third branchial cleft anomaly1231170004
- Congenital anomaly of fourth branchial cleft1231175009
- Fourth branchial cleft anomaly1231175009
UMLS
- AGNATHIA-OTOCEPHALY COMPLEXC0265242
- AGOTCC0265242
- Agnathia-otocephaly complexC0265242
- OTOCEPHALYC0265242
- Otocephalic syndromeC0265242
- Otocephalic syndrome (disorder)C0265242
- OtocephalusC0265242
- OtocephalyC0265242
- BRANCHIAL CLEFT ANOMALIESC0079037
- Branchial CleftC0079037
- Branchial Cleft AnomaliesC0079037
- Branchial Cleft RemnantC0079037
- Branchial cleftC0079037
- Branchial cleft anomalyC0079037
- Branchial cleft anomaly (disorder)C0079037
- Branchial cleft malformation NOSC0079037
- Remnant of embryonic branchial cleftC0079037
- branchial cleftC0079037
- branchial cleftingC0079037
- Cervical auricleC2363280
- Cervical auricle (disorder)C2363280
- Cervical tabC2363280
- Congenital cartilaginous rests of neckC2363280
- WattleC2363280
- Other branchial cleft malformationsC0477991
Clinical Terms
- AGNATHIA-OTOCEPHALY COMPLEX
- Cyst of branchial cleft
- Cervical auricle (disorder)
- Branchial Cleft Remnant
- Branchial Cleft Anomalies
- Branchial cleft cyst
- Branchial cleft anomaly (disorder)
- Second branchial cleft anomaly
- AGOTC
- Brachial cleft vestige excised
- Branchial Cleft
- Otocephalic syndrome (disorder)
- Cervical tab
- OTOCEPHALY
- Wattle
- Cervical auricle
- Branchial cyst
- Congenital cartilaginous rests of neck
- Congenital anomaly of fourth branchial cleft
- Fourth branchial cleft anomaly
- Branchial cleft malformation NOS
- Remnant of embryonic branchial cleft
- Branchial cleft anomaly
- Midline cervical cleft
- Third branchial cleft anomaly
- Congenital anomaly of first branchial cleft
- Congenital anomaly of second branchial cleft
- Congenital anomaly of third branchial cleft
- Otocephalus
- branchial clefting
- Otocephalic syndrome
Frequently Asked Questions
What is the ICD-10 code for other branchial cleft malformations?
The ICD-10-CM code for other branchial cleft malformations is Q18.2. The full clinical description is "Other branchial cleft malformations". Q18.2 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q18.2 mean?
ICD-10-CM code Q18.2 represents “Other branchial cleft malformations”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q18.2 a billable code?
Yes, Q18.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q18.2 in?
Q18.2 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q18.2?
Q18.2 has Excludes1 notes indicating codes that cannot be used together with it, including: cleft lip and cleft palate (Q35-Q37); conditions classified to Q67.0-Q67.4; congenital malformations of skull and face bones (Q75.-); and 4 more.
What SNOMED CT codes does Q18.2 map to?
Q18.2 maps to 9 SNOMED CT concepts: 287418007, 362998000, 59857007, 26885007, 1003399005, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q18.2?
Q18.2 is linked to 4 UMLS Concept Unique Identifiers: C0265242, C0079037, C2363280, C0477991. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q18.2 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other branchial cleft malformations affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q18.2?
Q18.2 maps to the ICD-11 code: LA6Z (Structural developmental anomalies of the neck, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.