Home
HelpTest Code FORBC RBC Folate
Specimen Required
1 mL whole blood – see instructions
Specimen Minimum Volume
0.2 mL
Specimen Stability
Folate Room temperature: 72 hours , Refrigerated: 72 hours,
Frozen: 30 days
Folate (light protected) Room temperature: 5 days, Refrigerated: 5
days, Frozen: 30 days
Hematocrit Room temperature: 48 hours, Refrigerated: 48 hours,
Frozen: Unacceptable
Day(s) and Time(s) Performed
Mon-Fri evening
Method Name
Immunoassay (IA)
Includes
HCTRF – HCT RBC Folate
FOLP – Folate, Whole Blood
FOLR – RBC Folate
Collection Container / Tube
Preferred: EDTA (lavendar-top)
Other Acceptable Container: None
Transport / Storage Conditions
Room Temperature.
Special Instructions
Submit 1 EDTA (lavender-top) tube at
room temperature.
Both the HCT and folate will be performed
on this tube. Do not freeze as this will affect the HCT.
Folate is light sensitive. Minimize exposure to light during sample
handling and storage. Foil wrap samples to protect from light.
Gross hemolyis is acceptable.
Reference Values
280 ng/mLCPT Codes
82747
Analytic Time
Next day
Alias/See Also
FOLATE RBC
LAB70
FOLRB