Q18.1
BillablePreauricular sinus and cyst
Preauricular sinus and cyst
Status
Billable / Specific
Parent Code
Q18Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Fistula of auricle, congenital
- Cervicoaural fistula
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 metabolism (E70-E88)
- 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)
Also Known As / Clinical Terms
SNOMED CT
- Preauricular cyst18820007
- Eyes wide apart22006008
- Eyes widely set22006008
- Hypertelorism22006008
- Orbital hypertelorism22006008
- Orbital separation excessive22006008
- Congenital fistula of neck57014008
- Fistula colli congenita57014008
- Congenital cervicoaural fistula66597000
- Branchial cleft fistula204268008
- Branchial fistula204268008
- Fistula of branchial cleft204268008
- Congenital preauricular fistula204272007
- Fistula auris congenita204272007
- Preauricular fistula204272007
- Preauricular sinus204272007
- Cyst of pinna446112008
- Mass of preauricular region447868007
- Infection of preauricular sinus609209009
- HPPD (hypertelorism, preauricular sinus, punctual pits, deafness) syndrome773667003
- Hypertelorism, preauricular sinus, punctual pits, deafness syndrome773667003
- Hypertelorism, preauricular sinus, punctual pits, hearing loss syndrome773667003
- Congenital fistula of pinna of ear780818005
- Congenital cyst of pinna of ear780819002
- Embryonic cyst of pinna of ear780819002
- Bilateral preauricular regions cyst15863971000119106
- Cyst of bilateral preauricular regions15863971000119106
- Cyst of both preauricular regions15863971000119106
- Cyst of left preauricular region15864011000119101
- Left preauricular region cyst15864011000119101
- Cyst of right preauricular region15864051000119100
- Right preauricular region cyst15864051000119100
Frequently Asked Questions
What is the ICD-10 code for preauricular sinus and cyst?
The ICD-10-CM code for preauricular sinus and cyst is Q18.1. The full clinical description is "Preauricular sinus and cyst". Q18.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q18.1 mean?
ICD-10-CM code Q18.1 represents "Preauricular sinus and cyst". 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 Q18.1 a billable code?
Yes, Q18.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q18.1 in?
Q18.1 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q18.1?
Q18.1 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 Q18.1 map to?
Q18.1 maps to 15 SNOMED CT concepts: 780819002, 15863971000119106, 204268008, 66597000, 57014008, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q18.1?
Q18.1 is linked to 3 UMLS Concept Unique Identifiers: C0266627, C0266626, C0495506. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.