Rafiq syndrome (MONDO_0013624) is any autosomal recessive non-syndromic intellectual disability in which the cause of the disease is a mutation in the MAN1B1 gene. Also known as: CDG2U, MAN1B1 autosomal recessive non-syndromic intellectual disability, RAFQS, autosomal recessive non-syndromic intellectual disability caused by mutation in MAN1B1, intellectual disability, autosomal recessive 15, mental retardation, autosomal recessive 15, mental retardation, autosomal recessive type 15.