Also called: Mg Test, Mag Test, Magnesium blood test
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What it checks
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Commonly advised for
Serum Magnesium measures magnesium levels in the blood, an essential mineral involved in muscle contraction, nerve function, heart rhythm, and bone health. Magnesium also plays a role in glucose metabolism and blood pressure regulation.
Deficiency is common but often overlooked, especially in people with gastrointestinal disorders or long-term medication use.
Why Is This Test Recommended?Evaluate muscle cramps or weakness
Investigate abnormal heart rhythms
Assess electrolyte imbalance
Monitor chronic kidney disease
Evaluate malnutrition or alcoholism
Understanding MagnesiumLow magnesium can worsen calcium and potassium imbalance. Severe deficiency may cause arrhythmias or seizures.
Symptoms Requiring TestingMuscle twitching or cramps
Fatigue
Irregular heartbeat
Neurological symptoms
Preparation
No fasting required
Inform doctor about supplements
Results Interpretation
Normal: ~1.7–2.4 mg/dL
Low: Malabsorption, diuretics
High: Kidney failure
FAQs
Can stress lower magnesium? – Indirectly, yes.
Is magnesium checked routinely? – Often overlooked.
Can supplements affect results? – Yes.
Is fasting needed? – No.
Does kidney disease raise magnesium? – Yes.
Magnesium is a mineral your muscles, nerves and heart rhythm depend on. This test is advised if:
Tapadia Diagnostic Centre in Secunderabad offers NABL-accredited Serum Magnesium Test test from a Blood sample(s). Mg Test, Mag Test, Magnesium blood test is also prescribed for Nausea, weakness, twitching, cramping, irregular heartbeat. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Secunderabad center. Pay at the centre with no advance payment. Book online or visit us.
Sree Ranganatha Swamy Devasthanam, Yapral, H.No. 5-3-1, Bhagat Singh Nagar, Yapral
Services: Lab, ECG
Branch Incharge: Mr. Praveen Gupta : 9848056578
59/1/2(6-1R-002), Karkana,Secunderabad-09
Services: Lab, X Ray, ECG
Phone No: 9281063662
Branch Incharge: Mr. ASHOK : 9246846874
6-1-103, Ground Floor, Padma raonagar, Secunderabad.
Services: Lab, X Ray, ECG, U/S Scan
Phone No: 9390110059
Branch Incharge: Mr. Suman- 8179607955
Serum Magnesium Test in Secunderabad
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Four decades of practice
A family-run diagnostic centre, trusted by doctors and households since 1989


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