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What is the Parathyroid Hormone Test? Why is the test done? Everything around this, that you should know, in this post, and of course our doctors are always there to help you. Just fill in your details in the form below and we will answer all your questions for FREE!
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What is a parathyroid hormone test (PTH)?
This test measures the level of parathyroid hormone (PTH) in the blood.
Also Read: Thyroid Function Test
What is parathyroid hormone (PTH)?
It is a hormone, also known as parathormone (PTH) released from the parathyroid glands, four pea-sized glands lying behind the thyroid gland in the neck.
What is the role of parathyroid hormone (PTH)?
- It helps maintain the level of calcium in the blood. Calcium is the mineral necessary for teeth and bone strength. It also plays a role in the proper functioning of muscles, nerves, and the heart.
- It also controls the level of phosphorus and Vitamin D in the blood.
What is the normal range of parathyroid hormone (PTH) in the blood?
The normal range of PTH in the blood is 14 – 65 pg/ml.
What is it used for?
PTH test is done to check for:
- Hypoparathyroidism – a condition with a low PTH level
- Hypoparathyroidism – a condition with a high PTH level
- The cause of abnormal calcium levels in the blood
- Monitor the kidney disease
Why is the PTH test done?
You need to get it done if there is a change in your blood calcium level.
The symptoms of high blood calcium level are as follows:
- Increased thirst
- Frequent urination
- Easily breakage of bones
- Bone pains
- Kidney stones
- Fatigue
- Confusion
The symptoms of low blood calcium level are as follows:
- Muscle twitching/cramps
- Tingling in fingers or toes
- Irregular heartbeat
- Dry skin
- Brittle nails
What does a high parathyroid hormone (PTH) level indicate?
A high level of parathyroid hormone in the blood may indicate:
- Hyperparathyroidism
- Poor calcium intake
- Vitamin D deficiency
- Chronic kidney disease
- Parathyroid gland tumor
- Impaired calcium absorption from food
- Pseudohypoparathyroidism- a condition when the body doesn’t respond to PTH
What are the preparations to be done before the test?
A woman who is undergoing the test needs to avoid the usage of vaginal creams and douches 24 hrs before the test. But if a urine test is to be done then urine should not be voided for 1-2 hrs before the test for both men and women.
What does low parathyroid hormone (PTH) level indicate?
A low level of parathyroid hormone in the blood may indicate:
- Hypoparathyroidism
- Overdose of calcium
- Excessive vitamin D intake
- Injury to the parathyroid gland
- Cancer that has spread to bones
Parathyroid Hormone Test
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