ICD-10 Code: Q18.1 – Preauricular sinus and cyst
ICD-10 code Q18.1 corresponds to Preauricular sinus and cyst. This code is classified under the chapter Q18 Other congenital malformations of face and neck, which is part of the category.
The parent chapter is Congenital malformations, deformations and chromosomal abnormalities.