G73: Disorders of myoneural junction and muscle in diseases classified elsewhere

G73.5: Myopathy in endocrine diseases

In the body there are various glands that produce hormones. Hormones are important messengers. They carry information between various organs. In this way, hormones control many bodily functions.

Muscle function is affected by various hormones. So disorders of various hormone glands can affect the muscles. This may be disorders of the thyroid gland or the adrenal glands, for example.

The muscle disorder usually involves muscle weakness. The muscles may also cramp up or be sore.