Q18.8
BillableOther specified congenital malformations of face and neck
Other specified congenital malformations of face and neck
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Medial cyst of face and neck
- Medial fistula of face and neck
- Medial sinus of face and neck
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
Q18.2Other branchial cleft malformations
Q18.3Webbing of neck
Q18.4Macrostomia
Q18.5Microstomia
Q18.6Macrocheilia
Q18.7Microcheilia
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(151)
SNOMED CT
- Eyes wide apart22006008
- Eyes widely set22006008
- Hypertelorism22006008
- Orbital hypertelorism22006008
- Orbital separation excessive22006008
- Congenital small ears35045004
- Microtia35045004
- Congenital fistula of neck57014008
- Fistula colli congenita57014008
- Jugular lymphatic obstruction sequence74650009
- Congenital absence of hyoid bone91887009
- Congenital abnormal shape of hyoid bone92916007
- Congenital misshapen hyoid bone92916007
- Congenital angulated hyoid bone92983005
- Congenital bent hyoid bone92983005
- Congenital bowed hyoid bone92983005
- Congenital anomaly of hyoid bone93005008
- Congenital elliptocytosis191169008
- HE - hereditary elliptocytosis191169008
- Hereditary elliptocytosis191169008
- Hereditary ovalocytosis191169008
- Congenital absence of chin204285005
- Congenital anomaly of the eyebrow253206006
- Congenital malformation of the eyebrow253206006
- Synophrys253207002
- Absent eyebrow253208007
- Double eyebrow253209004
- Congenital nephritis276585000
- Developmental malformation of branchial arch402810002
- Branchiooculofacial syndrome449821007
- Hemifacial hyperplasia697962004
- Hemifacial myohyperplasia699420006
- KBG syndrome711156009
- Short stature, facial and skeletal anomalies, intellectual disability, macrodontia syndrome711156009
- Short stature-characteristic facies-mental retardation-macrodontia-skeletal anomalies syndrome711156009
- AMME complex720982007
- AMME syndrome720982007
- Alport syndrome, intellectual disability, midface hypoplasia, elliptocytosis syndrome720982007
- Bixler Christian Gorlin syndrome721836009
- HMC (hypertelorism, microtia, clefting) syndrome721836009
- Hypertelorism with microtia and facial clefting syndrome721836009
- Branchial dysplasia, intellectual disability, inguinal hernia syndrome732961003
- Lambert syndrome732961003
- Bencze syndrome733046006
- Hemifacial hyperplasia strabismus syndrome733046006
- Duplication of eyebrow and syndactyly syndrome733070005
- Eyebrow duplication syndactyly syndrome733070005
- Hypertrichosis, short stature, facial dysmorphism, developmental delay syndrome763618001
- Wiedemann Steiner syndrome763618001
- CHOPS syndrome764455002
- Cognitive impairment, coarse facies, heart defects, obesity, pulmonary involvement, short stature, skeletal dysplasia syndrome764455002
- Dyssegmental dysplasia Silverman Handmaker type765204000
- DNA methyltransferase 3 alpha overgrowth syndrome768843007
- DNMT3A-related overgrowth syndrome768843007
- Tall stature, intellectual disability, facial dysmorphism syndrome768843007
- Tatton Brown Rahman overgrowth syndrome768843007
- Tatton Brown Rahman syndrome768843007
- Microphthalmos due to branchio-oculo-facial syndrome1003372008
- Agenesis of hyoid bone1003576007
- Congenital hypoplasia of eyebrow1142293003
- Congenital hypoplasia of middle third of face1145312002
- Congenital midfacial hypoplasia1145312002
- Midface retrusion1145312002
- Retrusive midface1145312002
- Congenital infiltrating lipomatosis of face1251402007
- CLIFAHDD (congenital limbs, face contractures, hypotonia, developmental delay) syndrome1255322002
- CLIFAHDD syndrome1255322002
- Congenital contracture of limbs and face, hypotonia, developmental delay syndrome1255322002
- Congenital unilateral hypoplasia of depressor anguli oris1345054009
- Isolated ACF (asymmetric crying facies)1345054009
- Isolated asymmetric crying facies1345054009
- Genetic syndromic childhood obesity1359763002
UMLS
Clinical Terms
- Congenital misshapen hyoid bone
- DNMT3A-related overgrowth syndrome
- Eyes wide apart
- Bixler Christian Gorlin syndrome
- Hemifacial myohyperplasia
- Congenital elliptocytosis
- Tatton Brown Rahman syndrome
- Medial sinus of face and neck
- Hypertrichosis, short stature, facial dysmorphism, developmental delay syndrome
- DNA methyltransferase 3 alpha overgrowth syndrome
- Congenital bent hyoid bone
- Alport syndrome, intellectual disability, midface hypoplasia, elliptocytosis syndrome
- Orbital separation excessive
- Congenital hypoplasia of middle third of face
- Congenital unilateral hypoplasia of depressor anguli oris
- Isolated asymmetric crying facies
- Congenital angulated hyoid bone
- Congenital bowed hyoid bone
- Branchiooculofacial syndrome
- Hypertelorism
- Synophrys
- Tall stature, intellectual disability, facial dysmorphism syndrome
- Jugular lymphatic obstruction sequence
- Tatton Brown Rahman overgrowth syndrome
- Congenital fistula of neck
- AMME syndrome
- Bencze syndrome
- Congenital anomaly of the eyebrow
- Fistula colli congenita
- Hemifacial hyperplasia
- Retrusive midface
- Cognitive impairment, coarse facies, heart defects, obesity, pulmonary involvement, short stature, skeletal dysplasia syndrome
- Microphthalmos due to branchio-oculo-facial syndrome
- Hereditary ovalocytosis
- HMC (hypertelorism, microtia, clefting) syndrome
- Short stature, facial and skeletal anomalies, intellectual disability, macrodontia syndrome
- Congenital absence of hyoid bone
- CLIFAHDD syndrome
- Congenital contracture of limbs and face, hypotonia, developmental delay syndrome
- Midface retrusion
- Medial cyst of face and neck
- Double eyebrow
- HE - hereditary elliptocytosis
- Hemifacial hyperplasia strabismus syndrome
- Isolated ACF (asymmetric crying facies)
- CHOPS syndrome
- Congenital absence of chin
- Dyssegmental dysplasia Silverman Handmaker type
- Congenital malformation of the eyebrow
- Hypertelorism with microtia and facial clefting syndrome
- Congenital anomaly of hyoid bone
- Congenital small ears
- Wiedemann Steiner syndrome
- Duplication of eyebrow and syndactyly syndrome
- Genetic syndromic childhood obesity
- Medial fistula of face and neck
- Absent eyebrow
- Congenital infiltrating lipomatosis of face
- Congenital midfacial hypoplasia
- Microtia
- Congenital hypoplasia of eyebrow
- Developmental malformation of branchial arch
- AMME complex
- Congenital nephritis
- Eyebrow duplication syndactyly syndrome
- Eyes widely set
- Lambert syndrome
- Orbital hypertelorism
- CLIFAHDD (congenital limbs, face contractures, hypotonia, developmental delay) syndrome
- Hereditary elliptocytosis
- Short stature-characteristic facies-mental retardation-macrodontia-skeletal anomalies syndrome
- KBG syndrome
- Congenital abnormal shape of hyoid bone
- Agenesis of hyoid bone
- Branchial dysplasia, intellectual disability, inguinal hernia syndrome
Frequently Asked Questions
What is the ICD-10 code for other specified congenital malformations of face and neck?
The ICD-10-CM code for other specified congenital malformations of face and neck is Q18.8. The full clinical description is "Other specified congenital malformations of face and neck". Q18.8 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q18.8 mean?
ICD-10-CM code Q18.8 represents “Other specified congenital malformations of face and neck”. 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 Q18.8 a billable code?
Yes, Q18.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q18.8 in?
Q18.8 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q18.8?
Q18.8 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 Q18.8 map to?
Q18.8 maps to 37 SNOMED CT concepts: 720982007, 253208007, 1003576007, 733046006, 721836009, and 32 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q18.8?
Q18.8 is linked to 4 UMLS Concept Unique Identifiers: C1394371, C2910122, C2910123, C0477992. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q18.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified congenital malformations of face and neck 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 Q18.8?
Q18.8 maps to the ICD-11 code: LD0Z (Structural developmental anomalies primarily affecting one body system, 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.