storage disease

noun

stor·​age disease ˈstōr-ij- 

: the abnormal accumulation in the body of one or more specific substances and especially substances (such as cerebrosides in Gaucher disease) that are normally broken down by the body

… a lysosomal storage disease in which cystine accumulates intracellularly in many tissues, including the kidney.

—Barbara C. Sonies et al., The New England Journal of Medicine

called also thesaurosis

see glycogen storage disease, lipofuscinosis