Q18.1 Preauricular sinus and cyst

The following code(s) above Q18.1 may contain annotation back-references that may be applicable to Q18.1:

• Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Diagnosis Index

Cyst
- Ear Q18.1
- Preauricular Q18.1
Fistula L98.8
- Auricle - see also Disorder, pinna, specified type NEC
-- Congenital Q18.1
- Cervical, Lateral Q18.1
- Cervicoaural Q18.1
- Preauricular Q18.1
Imperfect
- Closure
-- Preauricular Sinus Q18.1
Sinus - see also Fistula
- Preauricular Q18.1