Test Code FOLATE Folate, Serum
Additional Codes
- Expanse Test Name:Folate, S
- Medinet Ref Code:FOLATE
- OV Code:CHEM*FOLATE
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Immunoassay
Specimen Requirements
Draw blood in a serum gel tube(s) from a fasting patient. Spin down and send 1 mL of serum refrigerated. If there is a delay in transport of >48 hours, freeze specimen in plastic vial.
Hemolyzed samples will be rejected.
- Do not use samples that have been stored at room temperature for longer than 8 hours.
- Tightly cap and refrigerate specimens at 2–8°up to 48 hours.
- Freeze samples at ≤ -20°C up to 30 days.
Unspun specimens must be transported at ambient temperature and arrive to the laboratory within one hour of draw.
Reference Values
>5 ng/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 82746
LOINC: 2284-8