Congenital abnormality of external ear	Congenital anomaly of external auditory canal	Ear canal finding
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Double auditory canal (disorder)
	Double auditory canal
	dubbele gehoorgang

Id	40320008
Status	Primitive

Associated morphology	Double structure
Finding site	External auditory canal structure
Occurrence	Congenital
Pathological process	Pathological developmental process

ICD-10 complex map reference set

Target	Q17.8
Rule	TRUE
Advice	ALWAYS Q17.8
Correlation	SNOMED CT source code to target map code correlation not specified