: FS, Fasting serum Folate
: Range applies to patients fasting 8 hours: 0-150 yrs: >5.9 ng/mL (optimal), 4.0-5.8 ng/mL (intermediate), <4.0 ng/mL (deficient)
: Light green PST (Lithium Heparin with gel) tube - 4.5 mL
: 1 light green top microtainer
: 1 mL plasma
: 0.3 mL plasma
: Separate within one hour and store at 2-8C until delivery
: 2-8 C: 7 days; -20 C: 30 days
Reasons for Rejection
: Hemolyzed specimens, EDTA, QNS
: 4 hours
: Fasting specimens recommended. Ship samples FROZEN and PROTECTED FROM LIGHT.
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