Folate, RBC
Also known as: RBCFOLATE
Use
The Folate, RBC test aids in the detection of folate deficiency. It is utilized in the assessment of megaloblastic anemias and nutritional status, particularly in patients undergoing bariatric surgery or those at risk of vitamin B9 (folic acid) deficiency.
Special Instructions
Hematocrit must be performed and indicated on the test request form. If the patient has not received a transfusion or experienced excessive bleeding between the RBC folate draw and the hematocrit draw, any hematocrit drawn within 24 hours of the RBC folate draw is acceptable.
Limitations
Non-frozen and clotted specimens are unacceptable for testing. Hematocrit determination must accompany the test request form to ensure accuracy of results.
Methodology
Immunoassay (CLIA)
Biomarkers
LOINC Codes
- 2283-0
- 2283-0
- 20570-8
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
1 mL
Minimum Volume
Not provided
Container
ARUP Amber Transport Tube
Collection Instructions
Collect using a lavender (EDTA) or pink (K2EDTA) tube. Protect from light during collection, storage, and shipment. Mix specimen well.
Storage Instructions
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Causes for Rejection
Non-frozen specimens. Clotted specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 2 hours |
| Refrigerated | 4 hours |
| Frozen | 2 months |
