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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

Q18.1 – Preauricular sinus and cyst

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Applicable To

Fistula of auricle, congenital
Cervicoaural fistula

GEM Conversion to ICD-9 CM

Fs: 10000 – Preauricular sinus or fistula
Fs: 10000 – Preauricular cyst

MDC / MS-DRG Reference

OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITH MCC
OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITH CC
OTHER EAR, NOSE, MOUTH AND THROAT DIAGNOSES WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Cyst (colloid) (mucous) (simple) (retention)
ear (external) Q18.1
preauricular Q18.1
Fistula (cutaneous) L98.8
auricle See also Disorder, pinna, specified type NEC
congenital Q18.1
cervical, lateral Q18.1
cervicoaural Q18.1
preauricular (congenital) Q18.1
Imperfect
closure (congenital)
preauricular sinus Q18.1
Sinus See also Fistula
preauricular Q18.1

Sibling Codes

Sinus, fistula and cyst of branchial cleft
Other branchial cleft malformations
Webbing of neck
Macrostomia
Microstomia
Macrocheilia
Microcheilia
Other specified congenital malformations of face and neck
Congenital malformation of face and neck, unspecified

Parent Sibling Codes

Congenital malformations of eyelid, lacrimal apparatus and orbit
Anophthalmos, microphthalmos and macrophthalmos
Congenital lens malformations
Congenital malformations of anterior segment of eye
Congenital malformations of posterior segment of eye
Other congenital malformations of eye
Congenital malformations of ear causing impairment of hearing
Other congenital malformations of ear
Other congenital malformations of face and neck

View in Tabular

Code Title
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Q10-Q18 Congenital malformations of eye, ear, face and neck (Q10-Q18)
Q18 Other congenital malformations of face and neck
Q18.1 Preauricular sinus and cyst
Applicable to
Fistula of auricle, congenital
Cervicoaural fistula