Congenital abnormality of skull and face bones	Congenital absence of skeletal bone	Congenital anomaly of tympanic anulus
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Congenital absence of tympanic anulus (disorder)
	Congenital absence of tympanic anulus
	Agenesis of tympanic anulus
	agenesie van anulus tympanicus
	congenitale afwezigheid van anulus tympanicus aangeboren afwezigheid van anulus tympanicus

Id	91919002
Status	Defined

Associated morphology	Agenesis
Finding site	Entire tympanic anulus
Occurrence	Congenital
Pathological process	Pathological developmental process

ICD-10 complex map reference set

Target	Q16.4
Rule	TRUE
Advice	ALWAYS Q16.4
Correlation	SNOMED CT source code to target map code correlation not specified