3. Patients, (males and females, ages 0 - 99 years) with suspected (based on hormonal, clinical and/or genetic findings) CAH due to 21-hydroxylase deficiency, 11-hydroxylase deficiency, 3-beta-hydroxysteroid dehydrogenase deficiency, or a rare form of CAH (17-hydroxylase deficiency, steroid acute regulatory protein, cholesterol side-chain cleavage enzyme deficiency, P450 oxidoreductase deficiency).