Description
Overview of RBC Folate Test
At AIMS Diagnostic Center, the RBC Folate Test is a specialized hematology and clinical biochemistry test used to accurately measure long-term folate status. Unlike serum folate, which fluctuates based on recent dietary intake, RBC folate reflects tissue folate levels during the 120-day lifespan of red blood cells, making it the superior diagnostic marker for chronic deficiency.
Key Diagnostic Uses
- Megaloblastic Anemia Diagnosis: Differentiates between Folate deficiency and Vitamin B12 deficiency as the primary cause of abnormally large red blood cells.
- Long-Term Folate Evaluation: Provides a reliable measure of stored intracellular folate unaffected by recent meals.
- Prenatal & Neural Tube Defect Risk Assessment: Helps ensure optimal maternal folate levels before and during pregnancy to prevent birth defects.
- Malabsorption Disorders: Monitors folate status in patients with Celiac disease, Crohn’s disease, or chronic intestinal conditions.
When Should You Get an RBC Folate Test?
Healthcare professionals recommend booking an RBC Folate Test if you experience:
- Chronic fatigue, unexplained weakness, or pale skin.
- Shortness of breath, dizziness, or mouth sores/tongue swelling (glossitis).
- Abnormal CBC results showing elevated Mean Corpuscular Volume (High MCV / Macrocytosis).
- Pregnancy planning or management of gastrointestinal absorption issues.
- Long-term use of medications that interfere with folate absorption (e.g., anti-seizure drugs).
Test Guidelines & Preparation
- Fasting Requirement: 8 to 10 hours of fasting is recommended for optimal accuracy (water is permitted).
- Sample Type: Venous Blood Sample (Whole Blood / EDTA).
- Turnaround Time: Same-day digital reports available online & via WhatsApp.
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