Adult Blood Tests in Central London – What Can Be Checked in One Visit?

Marylebone • Baker Street • Central London

If you are searching for an adult blood test in Central London, this is usually because something feels “off” – or because you want reassurance before it becomes a problem. Many adults delay testing because symptoms are vague, NHS appointments take weeks, or they are unsure what to test. At Marylebone Diagnostic Centre, we offer private adult blood tests in one visit, with results in 24 – 42 hours, reviewed by experienced clinicians. This service is designed for busy Londoners who want answers now, not months later.

This guide explains what can be checked in one appointment and when you should book.

Who Should Book an Adult Blood Test?

This service is for adults who:

• Have not had blood tests in 12 months
• Feel tired, low, run-down or foggy
• Want to check cholesterol, liver, thyroid or sugar levels
• Are proactively managing health over 30 or 40
• Are planning fertility, pregnancy, or marriage
• Want reassurance without NHS delays

If you are “mostly fine” but not fully confident, this is exactly the right time to test.

What Can Be Checked in One Adult Blood Test Visit?

At MDC, multiple systems can be assessed in a single appointment, saving time and repeat visits.

Core Adult Blood Tests We Commonly Run

Most adults benefit from checking more than one system, even if symptoms seem mild.

Why Adults Delay Testing – And Why That’s a Mistake

Many health issues do not start with pain.
They start silently in blood results.

We regularly see adults who felt “fine” but had:

• Rising cholesterol
• Early thyroid imbalance
• Vitamin D deficiency
• Liver strain from lifestyle or medication
• Blood sugar drifting upwards
• Inflammation already present

By the time symptoms appear, correction is harder.

Early testing = simpler intervention.

If you want a complete picture in one visit, this page explains our main service:

Private Blood Tests & Health Checks in Central London
(adult health MOTs, combined profiles, fast results)

Which Adult Blood Test Option Is Right for You?

Adult Health Check (360° Overview)

Best if you want clarity without guesswork.

Includes:

• Blood count
• Liver & kidney function
• Cholesterol
• HbA1c
• Thyroid
• Vitamins
• CRP

Best for: first-time private testing, over-35s, busy professionals.

Internal link: Adult Health Check booking page

Vitamin & Fatigue Testing

If tiredness, brain fog or muscle pain is your main issue.

Includes:

• Vitamin D
• B12
• Iron / Ferritin
• Magnesium

Internal link: Vitamin & Fatigue Panel

Targeted Add-Ons (If needed)

• Hormone testing (male or female)
• Sexual health screening
• Fertility-adjacent blood tests

These are selected based on symptoms and goals.

Why Adults Choose Marylebone Diagnostic Centre

This is not a high-volume testing chain.

At MDC, adults choose us because we offer:

📍 Central London – Baker Street, Marylebone
⚡ Results in 24–42 hours
🔬 QC-validated laboratory testing
👩‍⚕️ Doctor-reviewed reports
🔒 Private and discreet service
🕗 Open Monday–Saturday
🚇 5-minute walk from Baker Street Tube

This is private diagnostics done properly.

If you want everything checked properly, in one appointment:

Book a Private Blood Test in Central London
(no GP referral required)

How the Adult Blood Test Works

1. Book online or call MDC
2. Visit our Baker Street clinic
3. Blood taken by trained professionals
4. Results returned in 24–42 hours
5. Doctor-reviewed report with clear next steps

No waiting lists. No GP gatekeeping.

What You Should Do Next

If you:

• Haven’t tested in over a year
• Want reassurance
• Have mild but persistent symptoms
• Are managing long-term health proactively

Most patients begin with the Adult Health Check, then add targeted tests only if needed.

This blog supports our main service.
For full testing options, pricing, and booking:

Private Blood Tests & Health Checks in Central London

Marylebone Diagnostic Centre
📍 73 Baker Street, London W1U 6RD
📞 +44 7495 970109
🕗 Monday–Saturday, 08:00–16:00

Quick Links

• Cardiac Profile
• HbA1c Test
• Full Lipid Panel
• Fatigue and Energy Profile
• Kidney Function Test
• Electrolytes Test
• Liver Function Test
• Thyroid Function Test
• Magnesium Test
• Full Blood Count
• Urinalysis & Culture
• Book an Appointment
• ECG Testing
• Wellness Profile
• Pancreatic Profile
• Women’s Health Tests
• Female Fertility Hormone Panel
• HIV 4th Generation Test
• Advanced Sexual Health Panel
• Sexual Health Tests
• Syphilis Test
• Hepatitis B & C Tests
• Urine Analysis

Read More

• NHS – Blood Tests Explained
• NHS – Thyroid Function Tests
• NHS – Cholesterol Testing
• NHS – HbA1c and Diabetes Testing
• UK Health Security Agency – Preventive Health Screening