 [ Symptoms ] how to determine if you are still growing or not  am 21 and wants to find out if am still growing so i can get taller i want to find out whether am a candidate for hgh [ Disease ] that would require an x ray to check bone age and the status of your growth plates an endocrinologist would be your best choice of a specialist to discuss this problem but i would guess that you are not a candidate for human growth hormone treatment at your age