How to diagnose 21-hydroxylase deficiency ?
Is genetic testing for 21-hydroxylase-deficient congenital adrenal hyperplasia available? Yes. Genetic testing of 21-hydroxylase-deficient congenital adrenal hyperplasia is available. In most people with this condition, the genetic test result can be used to predict disease severity. Click here to view a list of laboratories offering CYP21A2 testing.