Parathyroid Hormone (PTH)
Hormones blood
What It Is
PTH regulates calcium and phosphate levels in the blood by acting on the bones, kidneys, and gut.
Why It Matters
Abnormal PTH levels can indicate parathyroid disorders, vitamin D deficiency, or kidney disease.
If Levels Are High
Elevated PTH may indicate primary hyperparathyroidism or vitamin D deficiency.
If Levels Are Low
Low PTH may occur in hypoparathyroidism or excessive calcium supplementation.
Preparation
No special preparation required.
How Often to Test
As clinically indicated.
Important Disclaimer
This information is for educational purposes only and does not constitute medical advice or diagnosis. Results should be interpreted in clinical context by a qualified healthcare professional. If you have severe symptoms or urgent concerns, seek urgent medical help.