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Ionised calcium (Ca++), free calcium

Ionised calcium (Ca++) or free calcium, also called the ‘active form of calcium’, indicates the calcium used in processes transpiring in the body. Free calcium comprises 50% of the entire calcium present in the body. This microelement is important for the function of the nerves and muscles, gland secretion and blood clotting. 

Prior registration is not required; upon arrival, please go straight to the reception.

Information on how to prepare for the test is available HERE.

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Why it is worth

To be examined at our Centre?

  • The laboratory is accredited with the ISO 15189 standard, so you can be confident that your tests will be performed to the highest quality. 
  • You will find out the results of the main tests within 1–2 hours and the rest within 1 day, except in cases where this is impossible due to the technological process (e.g., the time it takes for a culture to grow).
  • The results of the tests carried out will be explained by our laboratory specialists. This service is only offered by a few laboratories in the country.
  • If required, we can perform further tests using the same sample of blood, for up to 7 days after the sampling.
  • No danger of damaging or mixing up the test samples due to transportation. 
  • Tests can be carried out anonymously.

Good to know

The test is recommended to those who have been determined with general calcium variations or vitamin D deficiency or who have had their parathyroid glands removed.

Muscle pains, sensitivity, weakness.

  • vitamin D deficiency
  • magnesium deficiency
  • increased phosphorus concentration
  • calcium absorption disorder
  • acute pancreatitis
  • renal insufficiency
  • alcoholism
  • hypoparathyroidism
  • increased irritability
  • stomach ache
  • nausea, vomiting
  • constipation
  • cardiac arrhythmia
  • thirst, more frequent urination

It has been proven that long-term and substantial ionised calcium deficiency (so-called hypocalcemia) may cause the development of the following diseases:

  • pseudohypoparathyroidism
  • hypofunction of parathyroid hormone
  • pancreatitis
  • chronic renal insufficiency
  • overdosing on vitamin D
  • tuberculosis
  • sarcoidosis
  • myeloma
  • Paget’s disease
  • use of thiazide diuretics
  • hyperparathyroidism
  • certain forms of cancer
  • Your test results will be ready within 1 working day.
    You can pick them up at the reception or, if you wish, we will email them.
  • For an explanation of the test results, you should call the laboratory tel. (+370) 247 64 17.

FAQ (frequently asked questions)

A general calcium test is carried out simultaneously with the ionised calcium test. Ionised calcium is associated with vitamin D deficiency or its excess; consequently, where ionised calcium deviations from the norm are established, it is worthwhile also having a vitamin D test carried out. When assessing the causes of a decrease in ionised calcium, the physician may recommend you to have magnesium, parathyroid hormone or phosphorus tests performed.

Contact your family doctor or internist or register to visit a physician specialising in this field at our centre. Please find the prices for a consultation HERE.

Please do not postpone important decisions - take care of yourself now!

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