Folate (Folic Acid) RBC Test
Short Name: Folate RBC Test
Also known as: Folic Acid RBC Test, RBC Folate Assay
Folate (Folic Acid) RBC Test test available at DNA Labs India for ₹3,500. Uses Chemiluminescent Immunoassay on Whole Blood and Serum samples. Results in Results are typically available on the same day if the sample is received by 2 PM.. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Pasupathy Arumugam
Consultant Pathologist · Reg: 21521
Last reviewed: September 7, 2026
Overview
The primary purpose of the Folate RBC Test is to diagnose folate deficiency by measuring the concentration of folate in red blood cells. It is used in the evaluation of anemia, particularly megaloblastic anemia, and to monitor the effectiveness of folate supplementation therapy.
- Test Code
- 621
- ICD Code
- D52.9
- Price
- ₹3,500
- Sample Type
- Whole Blood and Serum
- Result Time
- Results are typically available on the same day if the sample is received by 2 PM.
- Fasting Required
- No
- Method
- Chemiluminescent Immunoassay
Sample Collection
No special preparation is needed. However, inform your healthcare provider about any medications or supplements you are taking.
Method: Venipuncture
Laboratory Analysis
A phlebotomist will clean the area and insert a needle into a vein in your arm to collect blood samples into specified tubes.
Report Delivery
Pressure will be applied to the puncture site with a cotton ball or bandage to prevent bleeding.
Timeline: Results are typically available on the same day if the sample is received by 2 PM.
Patient Instructions
About This Test
Who Should Get This Test
The primary purpose of the Folate RBC Test is to diagnose folate deficiency by measuring the concentration of folate in red blood cells. It is used in the evaluation of anemia, particularly megaloblastic anemia, and to monitor the effectiveness of folate supplementation therapy.
How to Prepare
- Collect 2 mL of whole blood in an EDTA (lavender top) tube
- Collect 2 mL of serum in an SST tube
- Wrap tubes in aluminium foil immediately to protect from light
- Ship samples refrigerated or frozen as per instructions
Doctor's Notes
Reviewed by Dr Pasupathy Arumugam — MBBS, MD (Pathology) · Reg. No. 21521
"The Folate RBC Test is essential for detecting long-term folate deficiency, which can prevent serious health issues like anemia and neural tube defects in pregnancy."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Sample not in correct tube
- Insufficient sample volume
- Sample exposed to light
- Hemolyzed or clotted sample
Understanding Your Results
Folate deficiency indicated
Action: Further evaluation and possible supplementation recommended
Level: Below 150 ng/mL
Normal folate status
Action: No intervention needed unless symptomatic
Level: 150-600 ng/mL
Elevated folate levels
Action: May indicate high intake; review with healthcare provider
Level: Above 600 ng/mL
If your test results show deficiency or if you have symptoms like persistent fatigue, weakness, or changes in cognitive function, consult a healthcare provider promptly.
Limitations
- ⚠Does not reflect acute changes in folate status
- ⚠May be inaccurate in patients with reticulocytosis
- ⚠Requires careful sample protection from light
Risks & Considerations
- ●Minor pain or bruising at the needle site
- ●Lightheadedness or dizziness
- ●Very rare risk of infection or excessive bleeding
Interfering Factors
- ●Medications such as anticonvulsants or sulfasalazine
- ●Recent folate supplementation
- ●Hemolytic conditions that alter RBC lifespan
- ●Improper sample handling or exposure to light
Compare With Similar Tests
| Test | Folate (Folic Acid) RBC Test | Serum Folate Test | Vitamin B12 Test | Complete Blood Count (CBC) |
|---|---|---|---|---|
| Comparison | Folate (Folic Acid) RBC Test |
Frequently Asked Questions
What is the Folate RBC Test?
Why is the Folate RBC Test important?
What are the common symptoms of folate deficiency?
How is the Folate RBC Test performed?
What is the normal range for RBC folate?
What does a low folate level indicate?
Is fasting required for the Folate RBC Test?
How much does the Folate RBC Test cost in India?
How long does it take to get the test results?
Are there any risks associated with the test?
Can folate deficiency be treated?
Where can I get the Folate RBC Test done?
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