Autosomal dominant hereditary disorder	Developmental hereditary disorder	Radial polydactyly
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Polydactyly of biphalangeal thumb (disorder)
	Polydactyly of biphalangeal thumb
	PPD1 - preaxial polydactyly type 1
	The most common form of preaxial polydactyly of fingers, a limb malformation syndrome, with characteristics of duplication of one or more skeletal components of a biphalangeal thumb. Hands are preferentially affected and the right hand is more commonly involved than the left.
	polydactylie van bifalangeale digitus I
	polydactylie van bifalangeale duim PPD1 pre-axiale polydactylie type 1

Id	725409009
Status	Primitive

Associated morphology	Supernumerary structure
Finding site	Thumb structure
Occurrence	Congenital
Pathological process	Pathological developmental process

DHD Diagnosis thesaurus reference set

ICD-10 complex map reference set

Target	Q69.1
Rule	TRUE
Advice	ALWAYS Q69.1
Correlation	SNOMED CT source code to target map code correlation not specified