Electrolytes
This panel measures essential electrolytes - sodium, potassium and chloride - which regulate nerve and muscle function, hydration, and acid-base balance. No fasting required.
- Free home collection
- Physician-reviewed report
24 Hours
Turnaround
Blood
Sample
What the Electrolytes test tells you
Electrolytes are minerals that carry an electrical charge when dissolved in body fluid. This panel reports the main ones together: sodium, potassium and chloride. Sodium and chloride largely govern how much water your body holds and how it is distributed between blood and tissue. Potassium sits mostly inside cells and controls the electrical excitability of nerve, muscle and heart tissue, which is why the body defends it so tightly.
The panel is read as a pattern rather than as three separate results. Sodium is usually a statement about water rather than salt: a low value most often means too much water relative to sodium, not too little dietary salt. Potassium moves with kidney function, acid-base state and a long list of medicines. Chloride generally tracks sodium, and when it does not, the mismatch itself suggests an acid-base disturbance. Combinations of these shifts point towards particular causes far more precisely than any single value could.
Because the kidneys and hormones such as aldosterone and antidiuretic hormone do the regulating, this panel is also a window onto kidney function, adrenal function, hydration and drug effects. It is one of the most frequently requested tests in medicine. Sample handling matters more here than for most chemistry: potassium is highly concentrated inside red cells, so a difficult draw, a tight tourniquet or a delay before the sample is processed can release potassium and raise the result artificially. If that is suspected, the laboratory will ask for a repeat.
Ordered routinely as part of metabolic panels, to monitor diuretic therapy, evaluate kidney function, or investigate symptoms like fatigue, weakness, and irregular heartbeat.
- Checking fluid balance
The pattern of sodium and chloride shows whether your body is holding too much or too little water, which underlies many common symptoms.
- Monitoring diuretic therapy
Water tablets and several blood pressure medicines shift potassium and sodium, so this panel is used to keep treatment safe.
- Assessing kidney function
The kidneys set electrolyte balance, so disturbances here often appear alongside or before changes in other kidney markers.
- Explaining unclear symptoms
Cramps, weakness, palpitations and confusion can all stem from electrolyte disturbance, and this panel is the direct way to check.
Reasons your doctor may request the Electrolytes test
Your doctor may order this test for any of the reasons below. Some are routine checks, others follow specific symptoms or an earlier result.
Routine metabolic testing
- As part of a routine metabolic panel or general health check.
Fluid loss & symptoms
- After vomiting, diarrhoea, poor fluid intake or prolonged heat exposure.
- Symptoms such as muscle cramps, weakness, palpitations, confusion or excessive thirst.
Medication, known disease & hospital care
- Taking diuretics, ACE inhibitors, angiotensin receptor blockers or potassium supplements.
- Known kidney, heart, liver or adrenal disease.
- Before or after intravenous fluids, surgery or a hospital admission.
This test does not give one figure. It is a Multi-parameter panel, and sodium, potassium and chloride each carry their own reference range, so read every value against the range printed beside it and then look at them together. Sodium is usually a statement about water rather than salt: a low value most often means too much water relative to sodium. Potassium is the safety-critical one, because both ends affect heart rhythm; it moves with kidney function, acid-base state and many medicines. Chloride generally tracks sodium, and when it does not, the mismatch itself suggests an acid-base disturbance. Collection matters here: a difficult draw, a tight tourniquet or a delay before processing releases potassium from red cells and raises it artificially, so an unexpected potassium is often repeated. Your doctor reads the pattern with your kidney tests, medicines, symptoms and history.
Electrolytes
This test does not give one figure. It is a Multi-parameter panel, and sodium, potassium and chloride each carry their own reference range, so read every value against the range printed beside it and then look at them together. Sodium is usually a statement about water rather than salt: a low value most often means too much water relative to sodium. Potassium is the safety-critical one, because both ends affect heart rhythm; it moves with kidney function, acid-base state and many medicines. Chloride generally tracks sodium, and when it does not, the mismatch itself suggests an acid-base disturbance. Collection matters here: a difficult draw, a tight tourniquet or a delay before processing releases potassium from red cells and raises it artificially, so an unexpected potassium is often repeated. Your doctor reads the pattern with your kidney tests, medicines, symptoms and history.
This panel reports several electrolytes (sodium, potassium and chloride), each with its own reference range. See your detailed report for individual values.
This test is reported descriptively rather than on a numeric scale: each finding below explains what your report may say.
This information is for general education only and is not medical advice. Reference ranges can vary by laboratory, age, sex, and individual factors. Always consult your physician or doctor to interpret your results.
What a higher result can point to
- Water loss from dehydration, fever or reduced fluid intake, which concentrates sodium and chloride.
- Reduced kidney clearance, which allows potassium to accumulate.
- Potassium-sparing diuretics, ACE inhibitors, angiotensin receptor blockers and potassium supplements.
- Adrenal insufficiency, which characteristically raises potassium while lowering sodium.
- Red cells breaking open in the sample tube, which raises potassium in the report without any change in the body.
What a lower result can point to
- Excess water intake or fluid retention diluting sodium, as seen in heart failure, liver disease and inappropriate antidiuretic hormone secretion.
- Vomiting, diarrhoea or thiazide and loop diuretics, which strip potassium and chloride.
- Poor dietary intake, sustained alcohol use or the refeeding period after prolonged undernutrition.
- Hormonal causes such as excess aldosterone or cortisol, which drive potassium out of the blood.
These are possibilities, not diagnoses. A single value outside the reference range is interpreted alongside your symptoms, history and other tests: your doctor decides what it means for you.
What this test cannot tell you
- Results are unusually sensitive to collection technique and to delay before processing, so an unexpected potassium is often repeated before it is acted on.
- The panel is a snapshot: values can shift substantially within hours as fluids, medicines and illness change.
- It shows that balance is disturbed but not why, so it is interpreted alongside kidney tests, medication review and the clinical picture.
Risks of the blood draw
- Mild bruising or brief soreness where the needle went in.
- Occasional lightheadedness, which settles after a few minutes of rest.
- Bleeding or infection at the site, which is rare with sterile single-use equipment.
- 1The panel reports sodium, potassium and chloride together, and they are read as a pattern.
- 2Sodium is mostly a measure of water balance rather than of how much salt you eat.
- 3Potassium is the safety-critical one because both high and low values affect heart rhythm.
- 4A difficult blood draw can raise potassium artificially, so a repeat sample is sometimes needed.
- BiochemistrySodium
Sodium is the main electrolyte controlling fluid balance and blood pressure. Abnormal levels can cause confusion, seizures, or coma. This test is…
70View - BiochemistryPotassium
Potassium is a vital electrolyte for heart, nerve, and muscle function. Both high and low levels can cause dangerous heart rhythm problems. This test…
70View - BiochemistryChloride
Chloride is an electrolyte that helps maintain fluid balance and acid-base equilibrium. Abnormal levels may indicate dehydration, kidney disease, or…
70View - BiochemistryBicarbonates (CO2)
This test measures the level of bicarbonate in your blood, which helps maintain the body's acid-base balance. It is commonly part of an electrolyte…
70View
Frequently Asked Questions
Everything you need to know about the Electrolytes test. Can't find what you're looking for?
Talk to our team→Potassium is packed inside red blood cells, so if some cells break during a difficult draw or the sample sits too long before processing, the reported value rises without your body having changed. A repeat sample settles the question.
In someone with healthy kidneys, dietary potassium is excreted efficiently and single foods make very little difference. Diet matters much more when kidney function is reduced or when you take medicines that retain potassium.
Usually not. Low sodium far more often reflects excess water relative to sodium, driven by fluid retention, certain medicines or hormonal signals, which is why treatment is often about water rather than salt.
This panel measures essential electrolytes (sodium, potassium and chloride), which regulate nerve and muscle function, hydration, and acid-base balance. No fasting required.
Ordered routinely as part of metabolic panels, to monitor diuretic therapy, evaluate kidney function, or investigate symptoms like fatigue, weakness, and irregular heartbeat.
No, fasting is not required for the Sodium, Potassium & Chloride test, so you can eat and drink normally beforehand.
The Sodium, Potassium & Chloride test uses a blood sample, collected quickly by our DHA-licensed phlebotomist with minimal discomfort.
Results for the Sodium, Potassium & Chloride test are typically ready within 24 hours. You will receive a secure digital report, and your Smart Report highlights anything outside the normal range.
The Sodium, Potassium & Chloride test is AED 199, which includes free home sample collection and a physician-reviewed report. You can also build a custom panel and pay only for the markers you choose.
Yes. A DHA-licensed phlebotomist can collect your sample at home or the office anywhere in Dubai at no extra cost, 7 days a week. See how it works.
It is commonly chosen by adults & teens. If you are not sure it is right for you, our care team is happy to advise.
Add the Sodium, Potassium & Chloride test to your cart and complete the short booking wizard, choosing home collection or a lab visit. Guest checkout lets you book without creating an account.
Yes. It is processed at our EIAC-accredited laboratory (ISO 15189:2022) under DHA license 0046381 and verified by board-certified pathologists.
Every report includes reference ranges and plain-language notes. If you have questions, our care team can arrange a clinician review: just get in touch.
Absolutely. Add it to a curated health package or bundle it with any of our 160+ biomarkers, often from a single sample in one visit. The same three markers are also sold together as the Electrolyte Profile package.