E21: Hyperparathyroidism and other disorders of parathyroid gland
E21.5: Disorder of parathyroid gland, unspecified
The parathyroid glands are 4 small glands at the edge of the thyroid gland. A messenger substance is formed in the parathyroid glands. This messenger substance affects the calcium and phosphate content in the body. Calcium from the bone is dissolved by the messenger substance and released into the blood. It thus also affects bone firmness.
You have a disorder of the parathyroid glands.
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