OTHER DISORDERS

TEST	MATERIAL	SECTION
Arylsulphatase C (steroid sulphatase) X-linked ichthyosis	5ml blood (EDTA)	Lysosomal
Transferrin electrofocusing Carbonhydrate-deficient glycoprotein disorders	2ml clotted blood	Other
7-dehydrocholesterol Smith-Lemli-Opitz Syndrome	2ml blood (EDTA)	Metabolites