Congenital abnormality of external ear	Fistula colli congenita	Fistula of branchial cleft	Lesion of external ear
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Congenital cervicoaural fistula (disorder)
	Congenital cervicoaural fistula
	congenitale cervicoaurale fistel
	congenitale cervico-aurale fistel

Id	66597000
Status	Defined

Associated morphology	Branchial fistula
Finding site	External ear structure
Occurrence	Congenital
Pathological process	Pathological developmental process

Associated morphology	Branchial fistula
Finding site	Neck structure
Occurrence	Congenital
Pathological process	Pathological developmental process

ICD-10 complex map reference set

Target	Q18.1
Rule	TRUE
Advice	ALWAYS Q18.1
Correlation	SNOMED CT source code to target map code correlation not specified