has material basis in germline mutation in HOXD13 non-syndromic synpolydactyly synpolydactyly type 1 https://github.com/monarch-initiative/mondo/issues/4948 https://www.malacards.org/card/synpolydactyly_1 UMLS:C5574994 SPD1 Any non-syndromic synpolydactyly in which the cause of the disease is a mutation in the HOXD13 gene. syndactyly, type 2 synpolydactyly, Vordingborg type MEDGEN:1809573 SD2a HOXD13 non-syndromic synpolydactyly synpolydactyly with foot anomalies OMIM:186000 synpolydactyly type 1 SPD, Vordingborg type GARD:0017358 Orphanet:295195 SD2, Vordingborg type Editors note: check whether is_a: MONDO:0019683 is appropriate icd11.foundation:1701170393 MONDO:0008513 non-syndromic synpolydactyly caused by mutation in HOXD13 synpolydactyly 1 non-syndromic polydactyly polydactyly-syndactyly-triphalangism