split hand https://github.com/monarch-initiative/mondo/issues/6751 https://github.com/monarch-initiative/mondo/issues/6876 split hand (disease) MEDGEN:397570 split hand (disease) icd11.foundation:924222970 Split hand is a rare, non-syndromic limb reduction defect, clinically and genetically heterogeneous, characterized by bilateral or unilateral underdevelopment or absence of the central rays of the autopod, with absence of all or just some of the central phalanges and at least part of the associated metacarpal bones, yielding a cleft appearance of the hand. It is frequently associated with syndactyly and aplasia/hypoplasia of remaining digits and metacarpal bones. No other dysmorphic features are observed and development is appropriate for age. GARD:0025095 UMLS:C2699510 split hand MONDO:0017449 Orphanet:294992 ectrodactyly of hand HP:0001171 dysostosis