Calcium (Serum) Test Price and Details
8 labs availableKnown As: Total Calcium
Last Updated On Thursday, April 24, 2025
What is the Serum Calcium Test?
The amount of calcium present in blood can be measured via calcium serum test. The serum calcium is a test that is done to measure bone diseases or to check if the hemostasis is balanced or not. Because when the blood has less calcium, the blood sucks it through bones and the bones start to get soft. But the measurement of calcium in blood is done in this test. The main purpose of the serum calcium test is to screen or monitor bone diseases or calcium-regulation disorders. This test is also known as: Ca 2; Calcium - serum; and Ca .
When is a Calcium Serum performed?
Calcium is required by all of the cells to function. It is crucial for bone. It is very important for the activity of neurons and muscles, basically in neuromuscular activity. If there is a deficiency of calcium in blood then it can cause hyperexcitable nerves and muscles. Excess calcium has the opposite effect and it can cause stones and toxicity. This test is performed when the doctor suspects deficiency or toxicity.
What does it detect?
In the serum calcium test, following things can e detected.
- Delirium
- Dementia
- Multiple endocrine neoplasia (MEN) II
- Multiple endocrine neoplasia (MEN) I
- Renal cell carcinoma
- Secondary hyperparathyroidism
Once the detection is done, the doctor will move towards interventions, treatments, and other things.
How is the test performed?
When you will visit a lab for calcium serum test, you will be asked to give a sample of blood from the bend of your elbow. The site will be cleaned with an antiseptic first and then an elastic band will be placed around the upper arm to apply pressure and cause the vein to swell with blood. Then the needle will be inserted to draw blood. It will be collected in an air-tight vial or a syringe. Then, a band aid will be applied and band will be removed to restore circulation of the blood. Then the blood will be tested for the calcium.
When should I know the results of this Test?
The time when you get the results depends on from where you get your test done. It can be done within anywhere from a few hours to a day. But most probably the reports are compiled within an hour or a few hours. These days, you can also have a look at your test results online.
What are the Serum Calcium Test Results range?
The normal range for calcium in serum are from 8.5 to 10.2
mg/dL. As the testing standards can be different of various labs so their
normal ranges can also variate.
Followings are the conditions that can happen if your
results are abnormal.
- Hyperparathyroidism
- Metastatic bone tumor
- Milk-alkali syndrome
- Multiple myeloma
- Paget's disease
- Sarcoidosis
- Tumors producing a PTH-like substance
- Vitamin D intoxication
- Excessive calcium intake
- Prolonged immobilization
- Hyperthyroidism
- Addison's disease
- Thiazide diuretics
- Lithium
- HIV/AIDS
Followings are the things that may happen when calcium
levels are low:
- Hypoparathyroidism
- Malabsorption and malnutrition
- Osteomalacia
- Pancreatitis
- Renal failure
- Rickets and vitamin D deficiency
- Decreased albumin production indicating a liver disease
- Low serum magnesium
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