Lab test · Biochemistry
Osmolality - Serum
The Osmolality – Serum test measures the concentration of dissolved particles in the blood to evaluate fluid balance and electrolyte status.The Osmolality – Serum test measures the concentration of dissolved particles in the blood to evaluate fluid balance and electrolyte status.
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Free home collection Report in 24 hrs
ReportWithin 24 hrs
SampleBlood
CollectionHome or centre
FastingNot needed
How it works
1
Book in a minute
Add to cart, pick a date and time slot, pay online or at collection.
2
Sample collected at home or centre
A trained phlebotomist arrives in your slot with sealed, single-use kits.
3
Report on WhatsApp
Within 24 hours on WhatsApp and under My Orders.
Preparation
No special preparation needed unless your doctor advises otherwise.
About this test
The Osmolality – Serum test measures the concentration of dissolved particles in the blood to evaluate fluid balance and electrolyte status.
The Osmolality – Serum test is a blood test that measures the concentration of solutes such as sodium, glucose, and urea in the blood. It helps assess the body’s fluid balance and the regulation of water and electrolytes.
This test is useful in diagnosing conditions related to dehydration, overhydration, kidney disorders, and certain metabolic imbalances. It also helps evaluate disorders of sodium balance, such as hyponatremia or hypernatremia.
The purpose of the Osmolality – Serum Test is to
- To measure the concentration of solutes in the blood
- To assess fluid and electrolyte balance
- To diagnose dehydration or overhydration
- To evaluate kidney and metabolic disorders
- To investigate abnormal sodium levels
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Questions people ask
How soon will I get my report?
Your report is delivered within 24 hours of sample collection — on WhatsApp and under My Orders.
Is home sample collection available?
Yes. A trained phlebotomist visits your home with sealed, single-use kits. Home collection is free.
Do I need to fast or prepare?
No fasting is required for this test unless your doctor advises otherwise.
How do I pay?
Pay online (UPI / cards) or pay at collection or at the centre. The price you see is what you pay — it includes the report, with no hidden charges.
Is the lab accredited?
Yes. Prima Diagnostics runs NABL-certified labs with strict quality control across 7 centres in Bengaluru.
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