W3-Hydroxy-3-methylglutaryl-CoA lyase deficiency
W5α-Reductase deficiency
W17β-Hydroxysteroid dehydrogenase III deficiency
WAntley–Bixler syndromeWApparent mineralocorticoid excess syndrome
WAromatase deficiencyWAromatase excess syndrome
WCHILD syndrome
WDesmosterolosisWHydrops-ectopic calcification-moth-eaten skeletal dysplasia
WMevalonate kinase deficiency
WHypercholesterolemia
WInborn errors of steroid metabolism
WLathosterolosisWLipoid congenital adrenal hyperplasiaWMevalonate kinase deficiency
WSmith–Lemli–Opitz syndrome
WX-linked ichthyosis