RistyNon classical is often referred to as late onset because it is usually detected later on when the child starts showing symptoms.
Children who are treated properly shouldn’t end up being too short no matter which form they have. For those with late onset/NC CAH it often takes time until they get diagnosed and are started on treatment and they may therefore lose some final adult height.
You may try doing a google search and look up "Your Child With Congenital Adrenal Hyperplasia". You might find it very helpful.
Please keep us posted with the final results.
Best wishes
Risty