Adrenocorticotropic hormone (ACTH)
Adrenal and pituitary gland function
Aldosterone
Regulation of sodium blood levels
Antidiuretic hormone (ADH)
Water reabsorption in the nephron
Calcium (Ca)
Parathyroid function
Catecholamines
Adrenal function
Cortisol
Adrenal cortex function
Glucose
Hypoglycemia or diabetes mellitus
Glucose tolerance test (GTT)
Hypoglycemia or diabetes mellitus
Growth hormone (GH)
Pituitary gland function
Insulin level
Glucose metabolism and pancreatic function
Parathyroid hormone (PTH)
Parathyroid function
Phosphorus (P)
Endocrine disorders
Testosterone
Testicular function
Thyroid function (T , T , TSH) studies
Thyroid function