Ectromelia

**Definition:** Gross hypo- or aplasia of one or more long bones of one or more limbs. The concept includes amelia, hemimelia, phocomelia, and sirenomelia.

**Tree numbers:** - C05.660.585.350 - C16.131.621.585.350

**Synonyms:** - Congenital Limb Reduction Deformities - Congenital Limb Reduction Deformity