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FOLATE

Test Code
FOL
 
SynonymsFolic Acid
SPECIMEN REQUIREMENTS
Container TypeRed top tube (plain)
Supply Item Numberpicture1372
Specimen TypeFrozen serum
Preferred Volume1 mL
Emergency Minimum Volume0.5 mL
Specimen ProcessingSeparate serum from cells and place in separate 12 x 75 plastic tube and freeze.
Store and TransportFrozen
StabilityRoom Temp 2 days  Refrigerated 8 days  Frozen (-20 °C) 1 month  
Unacceptable ConditionRepeat freeze/thaw cycles
Alternate SpecimensSST (brick top tube)
LimitationsHemolysis significantly increases folate values due to the high folate concentrations in red blood cells.
CPT Codes82746
Interface Order Code82746
Billing CodeFOLATE
Test ScheduleMon-Sat
Turnaround Time1-2 days
MethodElectrochemiluminescence Immunoassay
Reference Ranges
TitleDescriptorRangesUnits
FolateNormal4.8-24.2ng/mL
NotesThis test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.


Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o82746Folate
r82746Folate82746Folateng/mL12284-8

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