0100363 Aplasia of the phalanges of the 4th toe	0100376 Aplasia/hypoplasia of the proximal phalanx of the 4th toe	0100388 Aplasia of the proximal phalanges of the toes
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0100385 Aplasia of the proximal phalanx of the 4th toe

synonym

Absent innermost bone of the 4th toe