- GH – weight loss – GH levels are stimulation with insulin/arginine/glucoagon, meaure IGF-1 levels
- FSH/LH – no 2nd sexual hair, infertility, impotence – measure male testosterone. In pre-menopause female presence of periods, in post-menopause meaure FSH/LH
- ACTH – pale, hypoadrenal – short synACTHen test, insulin tolerance test
- TSH – hypothyroid – TSH, T4
- PRL – lactatory failure – PRL levels
- ADH – DI – measure serum sodium, osmoilality, water deprivation test.