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HelpEpic Test Code LAB69 Folate: Serum
Performing Location(s)
BMC
Synonyms
Folic Acid
Specimen Type
Serum
Preferred Container
Gold or Red top tube
Alternate Container
Green Top Tube
Blood Tube Draw Volume
Min 50% draw volume
Minimum Volume to Submit for Testing
1 mL Serum
- Multiple test can be performed from this volume. For question please contact the lab at 547-3975.
Transportation Needs
Deliver specimen to laboratory within 1 hour of collection if unspun. If not possible see "storage Requirements".
Storage Requirements
Sample tubes should be centrifuged within 2 hours of collection followed by transfer of the serum to a labeled plastic aliquot tube.
See Causes of Rejection for temperature requirements.
Causes for Rejection
Mislabeled or unlabeled specimen
Less than 50% draw for Vacutainer tubes
>2 days refrigerated
>6 months Frozen
Hemolysis > 50 mg/dL HgB
Lipemia > 1800 mg/dL Trig
Bilirubin > 10 mg/dL Bili
EDTA,Citrate,NaF, Oxalate
Reference Values
| Population | Units | Reference Range |
| All Populations | ng/mL | 5.9-24.8 |
Days of Analysis
All
Available STAT
No
Additional Information
Patient Preparation:
Patient should be fasting overnight. Collect prior to transfusion or initiation of folate therapy.
Patient Instructions for Fasting Laboratory Testing
Additional Information:
Serum levels of folate are affected by present dietary intake
Drugs that are folate antagonists, such as methotrexate and pentamide, may induce a deficiency state.
Some drugs such as oral contraceptives, phenytoin, and ethanol impair absorption of folate
Usually measured with Vitamin B12 levels.
This test is not available on a STAT basis. If an emergency request is necessary, call 3731 for availablity. Pathologist approval may be required.
Methodology
Beckman AU/Dx Series
CPT Code
82746
Last Updated
18-Mar-22 BHD