Congenital anomaly of skull	Cranial duplication
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Derodidymis (disorder)
	Derodidymis

Id	236705005
Status	Primitive

Associated morphology	Double structure
Finding site	Bone structure of cranium
Occurrence	Congenital
Pathological process	Pathological developmental process

Associated morphology	Congenital abnormal fusion
Finding site	Fetal structure
Occurrence	Congenital
Pathological process	Pathological developmental process

Associated morphology	Double structure
Finding site	Fetal structure
Occurrence	Congenital
Pathological process	Pathological developmental process

ICD-10 complex map reference set

Target	Q89.4
Rule	TRUE
Advice	ALWAYS Q89.4
Correlation	SNOMED CT source code to target map code correlation not specified