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Folate, RBC
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | FOLR |
| Performed by | China Basin Chemistry |
| In House Availability | Tuesday, Thursday (day shift) |
| Method | Competitive immunoassay using direct chemiluminescent technology (Siemens Centaur) |
| Container type | Lavender top |
| Amount to Collect | 2 mL blood |
| Sample type | EDTA whole blood |
| Preferred volume | 2 mL blood |
| Min. Volume | 0.5 mL blood |
| Processing notes | Do not centrifuge. Order a HCTF if no hematocrit result will be available from a HGRM, CBC or CBCD on the same sample. Freeze aliquot at -20C within 3 hours of draw. |
| Units | µg/L of RBC hemolysate |
| Normal range | 280-791 µg/L of RBC hemolysate Reference range adopted from reagent manufacturer performed studies and verified by running normal samples collected from outpatients with a normal FBS, Hematocrit and MCV. |
| Synonyms | Red cell folate; folic acid; |
| Turn around times | 1-5 days |
| Additional information | To convert µg/L to nmol/L (SI units) multiply by 2.265. Serum test not offered. In order to obtain the hematocrit needed to calculate the result of the assay, a hematocrit is automatically ordered and charged separately if not otherwise available on the same sample. |
| LOINC code | 2283-0 |
| Last Updated | 1/18/2012 2:31:04 PM |
| Entry Number | 392 |
| Lab Procedure Link | Click here for Procedure |
If you have additional questions regarding this test, please call: 415-353-1667