Sodium test measures the amount of sodium in your blood.
A sodium test is usually ordered with other electrolytes like potassium, chloride and bicarbonates. A measurement of these electrolytes gives an indication of electrolyte balance that has implications in several diseases.
Your doctor may recommend this test for you if you show symptoms of either low or high sodium in your blood. These include:
- Muscle cramps
- Frequent headaches
- Swelling the body
Sodium is critical element, as it helps in maintaining blood pressure, as well as normal functioning of muscles and nerves. Sodium holds water in the blood and high levels increases the blood volume thereby increasing the pressure. The human body regulates sodium level extremely carefully to maintain optimum levels, especially the kidneys. The kidneys sense the sodium level in the blood and whenever high level is found, kidneys eliminate it. And in case of low sodium levels, it retains it be reabsorbing the sodium from the blood that is initially filtered by the kidneys.
Normal range for blood sodium levels is 135 to 145 milliequivalents per liter (mEq/L). However, the range can vary with age, gender and medical conditions.
A low level of sodium could be attributed to many reasons:
- loss of sodium from the body
- Increased intake of water
- Edema (fluid accumulation in the body)
Hypernatremia or low sodium is most commonly attributed to conditions such as Addison's disease, diarrhoea or kidney disease. Heart failure and liver cirrhosis causes water retention which leads to low level of sodium in blood. Kidney diseases that cause protein losses also lead to Hypernatremia.
A high blood sodium level is mostly attributed to inadequate water intake and dehydration. Symptoms include dry mucous membranes, thirst, agitation, restlessness, acting irrationally, and coma or convulsions if the sodium level rises to extremely high concentrations. In rare cases, hypernatremia may be due to Cushing syndrome or a condition caused by too little ADH (Anti Diuretics) called diabetes insipidus.
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Metropolis has a team of 200 senior pathologists and over 2000 technicians delivering diagnostic solutions in the areas of routine, semi specialty and super specialty domains like Oncology, Neurology, Gynaecology, Nephrology and many more.
We offer a comprehensive range of 4000+ clinical laboratory tests and profiles, which are used for prediction, early detection, diagnostic screening, confirmation and/or monitoring of the disease.
Frequently Asked Questions
Yes our laboratory is accredited by the NABL (National Accreditation Board of Testing and Calibration of Laboratories) India & College of American Pathologists (CAP). This accreditation process is carried out every 2 years for NABL & annually for CAP with periodic internal audits carried out twice in a year. All our aforementioned tests are accredited by NABL & CAP.
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We collect samples from home between 7 AM to 9 PM. we offer Blood collection service on Sunday’s as well.
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