What Is a Platinum Blood Test?
A platinum blood test is one of the most extensive health screening blood panels available, designed to assess a wide range of biomarkers across multiple body systems in a single appointment. At Walk In Clinic London, this screening covers areas such as liver function, kidney health, thyroid activity, cholesterol levels, diabetes risk, hormone balance, vitamin status, and inflammatory markers, providing a detailed overview of your overall wellbeing.
Practical Insight: Think of a platinum blood test as a broad-lens health snapshot — rather than focusing on one concern, it evaluates dozens of markers simultaneously.
Why Choose a Comprehensive Blood Test?
Many people in London lead demanding lifestyles — balancing long working hours, commuting, and personal commitments — which can make it easy to overlook subtle shifts in health. A platinum blood test addresses this gap by casting a much wider net.
- Early indicators may be identified before noticeable symptoms develop
- Multiple systems are assessed simultaneously, reducing the need for repeated appointments
- Results can serve as a personal health baseline for comparison over time
- It may highlight areas worth discussing with your GP or healthcare provider
- It supports a proactive approach to wellbeing rather than a purely reactive one
What Does a Platinum Blood Test Include?
| Health Area | Biomarkers Commonly Included | What They May Indicate |
|---|---|---|
| Liver Function | ALT, AST, ALP, GGT, Bilirubin, Albumin, Total Protein | How well the liver is processing and filtering |
| Kidney Function | Urea, Creatinine, eGFR, Uric Acid | How effectively the kidneys are filtering waste |
| Cholesterol & Lipids | Total Cholesterol, HDL, LDL, Triglycerides, Non-HDL | Cardiovascular risk factors and lipid balance |
| Diabetes Screening | HbA1c, Fasting Glucose | Blood sugar management over recent months |
| Thyroid Function | TSH, Free T4 | Thyroid activity — overactive or underactive trends |
| Iron Studies | Ferritin, Serum Iron, TIBC, Transferrin Saturation | Iron stores and potential deficiency or overload |
| Vitamins | Vitamin D, Vitamin B12, Folate | Nutritional status and potential deficiencies |
| Inflammation | CRP, ESR | General inflammatory activity in the body |
| Full Blood Count | Red cells, White cells, Platelets, Haemoglobin | General blood health and immune function overview |
| Hormones | Testosterone, Oestradiol, DHEA-S (where applicable) | Hormonal balance overview |
Who Should Consider a Platinum Blood Test?
You may wish to consider a platinum blood test if you:
- Are over 30 and have not had a detailed health screen recently
- Want to establish a personal health baseline for future comparison
- Experience persistent but non-specific symptoms such as tiredness, low energy, or brain fog
- Have a family history of conditions such as diabetes, cardiovascular disease, or thyroid disorders
- Follow a restricted diet and want to check nutritional markers
- Are approaching or going through perimenopause or andropause
- Simply want peace of mind and a thorough overview of your current health
NHS Health Checks vs Private Platinum Blood Testing
| Feature | NHS Health Check | Private Platinum Blood Test |
|---|---|---|
| Cost | Free | Fee applies |
| Age eligibility | 40–74 | Any adult |
| Biomarkers tested | Limited panel | Extensive panel (50+ markers) |
| Referral required | No | No |
| Frequency | Every 5 years | As often as desired |
Frequently Asked Questions
What is included in a platinum blood test?
A platinum blood test includes an extensive panel of biomarkers covering liver function, kidney health, cholesterol, diabetes markers, thyroid function, iron studies, vitamins, inflammation markers, hormones, and a full blood count.
Do I need a GP referral for a platinum blood test in London?
No. At Walk-in Clinic London, you can access comprehensive blood testing directly without a GP referral.
Is fasting required before a platinum blood test?
For certain markers — particularly glucose and lipid profiles — fasting for 8–12 hours beforehand may be recommended.
How often should I have a comprehensive blood test?
As a general guide, annual testing can be helpful for those over 40 or with known risk factors. For younger adults, every one to two years may be appropriate.
Medical Disclaimer
This blog post is intended for educational and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Walk In Clinic London is a nurse-led service providing testing and reporting services only.
Written Date: 20 March 2026
Next Review Date: 20 March 2027
