Kidney

Sodium Blood Test

Sodium is an electrolyte that helps regulate fluid balance and nerve and muscle function. Its blood level is part of standard kidney and biochemistry te...

£43
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What it measures

What is Sodium?

Sodium is an electrolyte that helps regulate fluid balance and nerve and muscle function. Its blood level is part of standard kidney and biochemistry testing.

Why it's tested

Why check your Sodium?

Sodium is measured with other electrolytes and kidney markers during general and kidney-focused assessment. It appears in kidney and comprehensive panels.

This page is general information, not a diagnosis. Your result is reviewed by a clinician who will explain what it means for you. If you feel acutely unwell, call NHS 111, or 999 in an emergency.
Better value together

Panels that include Sodium

Sodium is a standalone test, but it's often more useful — and better value — checked alongside related markers. These panels include it:

Basic Screen

The Basic Screen covers 15 markers across six areas of your health in a single blood draw: a full lipid profile for cholesterol and heart risk (5 markers), a glucose check for blood sugar, six liver function markers, seven markers covering kidney function and electrolytes, two inflammation markers (CRP and high-sensitivity CRP), and a full blood count.

£153
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Lifestyle Screen

The Lifestyle Screen is a broad, 18-marker general wellness check covering seven areas of health in a single blood draw.

£194
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Fertility Panel

This panel screens 9 markers across the systems that influence fertility, rather than hormones alone.

£210
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Standard Screen Plus (Female)

Standard Screen Plus for women screens 20 markers across eight areas of health from a single blood draw — heart and cholesterol, liver function, kidney function and salts, thyroid, blood sugar, iron and vitamin D, inflammation, plus a CA-125 marker and urinalysis.

£210
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Standard Screen Plus (Male)

Standard Screen Plus for men screens 20 markers across eight areas of health from a single blood draw — heart and cholesterol, liver function, kidney function and salts, thyroid, blood sugar, iron and vitamin D, inflammation, plus a PSA prostate check and urinalysis.

£210
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TATT (Tired All The Time)

Our number-one panel for people who are constantly exhausted. Checks all the common culprits in one blood draw — thyroid, iron, B12, vitamin D and inflammation.

£217
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SS Plus Hormonal (Female)

This panel combines a full Standard Screen Plus with an expanded female hormone profile in a single blood draw.

£233
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SS Plus Hormonal (Male)

This panel combines a full Standard Screen Plus with an expanded male hormone profile in a single blood draw.

£233
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Advanced GP2 (Female)

Advanced GP2 for women screens 25 markers across eight areas of health from a single blood draw.

£239
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Advanced GP2 (Male)

Advanced GP2 for men screens 25 markers across eight areas of health from a single blood draw.

£239
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Fertility + AMH

Our most popular fertility screen — includes AMH (your ovarian reserve), full reproductive hormones and thyroid. Perfect before IVF or if you're trying to conceive.

£246
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Advanced GP3 (Female)

The most comprehensive women's health screen we offer — every major organ system, hormone, vitamin and heart risk marker in a single blood draw.

£335
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Advanced GP3 (Male)

Advanced GP3 for men screens 30 markers across eight areas of health from a single blood draw.

£335
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How it works

Three simple steps

Step 1

Book online

Choose a time that suits you in under a minute — no referral needed. Same-week and weekend appointments available.

Step 2

5–10 minute blood draw

Visit our Sutton Coldfield clinic for a quick, comfortable blood draw with one of our clinical team. Free on-site parking.

Step 3

Clinician-reviewed results

Prompt results, reviewed by a clinician before they reach you, with a clear explanation of what they mean and any sensible next steps.

Related markers

Other kidney markers

FAQs

Common questions about Sodium

What is sodium measured with? +

It is measured alongside potassium, chloride and kidney markers as part of an electrolyte and renal profile. The values are interpreted together.

Ready to check your Sodium?

Same-week appointments. No GP referral. Prompt results, reviewed by a clinician.

Book now — £43 → All individual markers