Bowel Cancer Screening Is Improving — But Blood Tests Still Matter
The NHS has announced improvements to bowel cancer screening accuracy by refining FIT testing thresholds.
This is a positive step.
However, screening programmes only cover certain age groups and risk profiles.
Blood testing plays a complementary role in earlier symptom investigation and ongoing monitoring.
What Is Bowel Cancer Screening?
The FIT test detects microscopic blood in stool.
It is effective for population screening.
However:
- It is age-restricted
- It does not detect all cases
- It does not assess overall systemic health
Blood tests support a wider clinical picture.
Symptoms Should Never Be Ignored
Symptoms that warrant investigation include:
- Persistent bowel habit changes
- Unexplained weight loss
- Ongoing fatigue
- Abdominal discomfort
- Iron deficiency without explanation
Blood tests help clinicians decide how urgently to act.
Blood Tests That Support Bowel Health Assessment
| Test | Clinical Relevance |
|---|---|
| Full Blood Count | Detects anaemia and immune changes |
| Ferritin | Iron deficiency may suggest bleeding |
| CRP | Chronic inflammation marker |
| Liver Function Tests | Advanced disease monitoring |
| Vitamin B12 & Folate | Malabsorption indicators |
These tests do not diagnose bowel cancer, but they:
- Identify red flags
- Support referral urgency
- Provide baseline health data
Why Iron Deficiency Matters
Iron deficiency without a clear cause should always be investigated.
In some cases, it may reflect:
- Chronic blood loss
- Absorption issues
- Gastrointestinal pathology
Early identification saves time.
MDC’s Role in Preventive Cancer Care
MDC supports:
- Early blood-based health reviews
- Monitoring alongside NHS pathways
- Fast access to results
- Consultant-led interpretation
This ensures patients are not delayed while waiting for screening eligibility.
When to Consider Testing
- Symptoms persist beyond 2–3 weeks
- Family history of bowel cancer
- Unexplained anaemia
- General health review for peace of mind
Book a Preventive Health Blood Panel
📍 73 Baker Street, London W1U 6RD
📞 +44 7495 970109
🕗 Monday–Saturday, 8:00–16:00
Results within 24–42 hours.
