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HelpTest ID BLOD0605 Folate Serum
AKA
Folic Acid
Vitamin B9
Specimen Type/Requirements
Gold top (Serum w/gel) tube - Serum (preferred)
Red top (Serum w/out gel) tube - Serum (preferred)
Light Green top (Lithium Heparin w/gel) tube - Plasma
Fasting is preferred. Recent food intake may appreciably increase folate concentrations.
Serum/plasma should be separated from cells within 24 hours of collection.
Test is affected by hemolysis and gross lipemia. Hemolysis significantly increases folate values due to the high folate concentrations in red blood cells.
Specimen Volume
| Preferred Volume | 1.0 mL |
|---|---|
| Minimum Volume | 0.6 mL |
Stability/Transport
| Room Temperature | Not Acceptable | |
|---|---|---|
| Refrigerated | 7 days | Preferred for transport |
| Frozen | 4 weeks |
Performed Test Frequency
Monday through Sunday
Methodology
Sioux Falls – Chemiluminescence
Rapid City – Electrochemiluminescence
Immunoassay (ECLIA)
Performing Lab
Sanford Laboratories Sioux Falls
Sanford Laboratories Rapid City
CPT
82746