Description of the disease * EnglishPolish Pobierz sekcję do PDF Definition Polydactyly of a biphalangeal thumb or PPD1 is the most common form of preaxial polydactyly of fingers (see this term), a limb malformation syndrome, that is characterized by the duplication of one or more skeletal components of a biphalangeal thumb. Hands are preferentially affected (in bilateral), and the right hand is more commonly involved than the left. Disease data Classification Morphological anomaly Synonyms PPD1 Polidaktylia przedosiowa typu 1 PPD1 Preaxial polydactyly type 1 Polidaktylia dwupaliczkowego kciuka i/lub palucha ORPHA code 93339 OMIM code 174400 ICD10 code Q69.1 ICD11 code LB78.0 *Soruce Extended description of the disease Pobierz sekcję do PDF No additional description. Orphanet - interntowa baza danych dotyczących rzadkich chorób i sierochych leków. ©INSERM 1999 - Dostępna na stronie www.orphanet.pl