Magnesium Blood Test

A magnesium blood test evaluates the amount of magnesium in blood and concludes the cause of abnormal levels of magnesium, calcium, and/or potassium. The RBC test is also known as the Magnesium Blood Test. Magnesium is a type of electrolyte which is a type of responsible minerals for body functions through muscles, nerves, immune system, and heart. Minerals produce protein and energy. enzyme functions, energy production

When is the test required?

If the doctor suspects kidney related issues, pregnancy, diabetes or if other blood tests show abnormal levels of other minerals, such as calcium, potassium, or phosphorus.

If a person is short of magnesium for a long period of time and the result is magnesium deficiency, they may have:

  • Weakness
  • Muscle cramps
  • Numbness or tingling
  • Irregular heartbeat
  • Nausea
  • Diarrhea
  • Confusion or slurred speech
  • Seizures
High levels of magnesium are not frequent like low levels. Person with high magnesium may suffer from:
  • Muscle weakness
  • Fatigue
  • Nausea and vomiting
  • Trouble breathing
  • Cardiac arrest

Normal results are-
  • 1.8 to 2.6 mg/dL for adults
  • 1.7 to 2.1 mg/dL for children
  • 1.5 to 2.2 mg/dL for newborns
Low magnesium or Hypomagnesemia: Less than 1.7 mg/dL approx

High Magnesium or Hypermagnesemia: Above 2.2 mg/dL approx

What abnormal ranges indicate:

Increased levels of magnesium - It may be seen in

  • Kidney disease
  • End stage of renal disease
  • Tissue trauma
  • Hyperparathyroidism
  • Prolonged use of aspirin
Low levels of magnesium can be an indication of diabetes
  • Digestive problems
  • Malnutrition
  • Alcoholism
  • Prolonged diarrhea
  • Severe burns
A drop in magnesium levels during pregnancy can indicate preeclampsia.

Why Unipath is best-

  • Over the past 10 years, Unipath Specialty Laboratory Limited (USLL) has successfully established itself as one of the leading diagnostic brands in Western India having successfully expanded across 11 states.
  • Unipath is a multi-speciality pathology laboratory catering to the fields of Molecular Pathology, Cytopathology, Biochemistry, Immunology, Serology, Hematopathology, Flow Cytometry, Histopathology, Cytogenetics and Microbiology - all under one roof.
We offer home collection services too. To book the test, please contact us at +91(79)49006800 or Visit

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