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HelpTest Code LAB69 Folate
Clinical System Name
Folate
Synonyms
Folic acid
Vitamin B9
Fol Ser
Folate, Serum
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Red, Gold Microtainer, Lt. Green/Lithium Heparin Microtainer
Preferred Vol: 1.0 mL
Minimum Vol: 0.5 mL
Processing Instructions
Reject due to: any hemolysis
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: CPA refrigerator, FrigD rack. Serum/plasma should be removed from separator for storage.
Note:
Off-site collection: Spin blood. Transfer serum/plasma to plastic aliquot container. Refrigerate.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| separated serum/plasma | Room temp | |
| Refrigerated | 7 d | |
| Frozen -20 C | 30 d |
Remove serum/plasma from clot or separator gel as soon as possible after complete clot formation.
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M,W,F, day shift | 1-4 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem West
Phone Number: (206) 987-2617
CPT Codes
82746
Methodology
Method: Chemiluminescent microparticle immunoassay (CMIA) by Abbott Alinity i
Analytical Volume: 0.100 mL serum/plasma
Limitations: Hemolysis will affect results.
Reference Range
≥4.0 ng/mL