Folate (Red Cell)
The Folate (Red Cell) blood test measures the amount of folate (vitamin B9) contained within red blood cells. Unlike serum folate, which reflects recent dietary intake, red cell folate provides an assessment of longer-term folate status over the lifespan of red blood cells. This makes it a valuable test when investigating chronic or long-standing folate deficiency.
Folate is essential for DNA synthesis, normal cell division, and healthy red blood cell production. Adequate levels are important for maintaining energy levels, supporting neurological function, and preventing certain types of anaemia. Measuring red cell folate helps identify deficiencies that may not be apparent on short-term tests.
- Price: £70
- Code: RCF
- TAT: 3 Working Days
- Sample Type: Blood
What is red cell folate and why is it important?
Red cell folate represents the amount of folate that was available to red blood cells at the time they were formed in the bone marrow. Because red blood cells circulate for around 120 days, this measurement reflects average folate status over several months rather than recent intake.
This makes red cell folate particularly useful when symptoms suggest a long-standing deficiency or when serum folate results are borderline or inconsistent with clinical findings. It can provide clarity when assessing nutritional status over time.
Why might I need a red cell folate test?
A red cell folate test may be recommended if you have ongoing symptoms such as persistent fatigue, weakness, shortness of breath, difficulty concentrating, or neurological symptoms. It is commonly used when investigating chronic anaemia or nutritional deficiencies.
The test may also be useful if you have conditions that affect nutrient absorption, such as coeliac disease, inflammatory bowel disease, or long-term gastrointestinal symptoms. It is sometimes requested alongside vitamin B12 testing to ensure deficiencies are identified accurately.
What do the results mean?
Low red cell folate levels suggest a long-term folate deficiency and may indicate inadequate dietary intake, absorption problems, or increased nutritional requirements. Identifying this early allows appropriate intervention and helps prevent complications.
Normal levels usually indicate sufficient folate status over recent months. Results are always interpreted in the context of symptoms, medical history, and other blood tests, particularly vitamin B12 and full blood count.
How is the test performed?
The red cell folate test is performed using a blood sample collected during a short appointment. The procedure is routine and well tolerated, and our clinical team will ensure you are comfortable throughout.
Do I need to prepare the test?
No special preparation or fasting is required for this test unless you have been advised otherwise.
FAQs
When will I receive my results?
Results are usually available within the stated turnaround time.
Should I discuss my results with a doctor?
Yes, results should always be reviewed with a qualified healthcare professional.
Why Choose Marylebone Diagnostic Centre?
Marylebone Diagnostic Centre provides professional nutritional testing in a calm and supportive environment, with fast turnaround times and clear communication.
Our experienced clinical team focuses on patient care and helping you understand your results, supporting you in making informed decisions about your health.
Book Your Folate (Red Cell) Test Today
If you are investigating long-term fatigue, anaemia, or nutritional concerns, book your Folate (Red Cell) blood test with Marylebone Diagnostic Centre.
