Folate, RBC
Test code
CPT code(s)*
Test resources
Details
Methodology
Immunoassay (IA)
Alternative name(s)
Red Blood Cell Folate,RBC Folic Acid,Folic Acid, RBC,Red Cell Folate,RBC Folate
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | Whole blood collected in an EDTA (lavender-top) tube sent at room temperature will have folate and hematocrit testing performed. |
| Alternative specimen(s) | 2 mL frozen (EDTA) whole blood in a transport tube. Note: HCT testing cannot be performed on a frozen specimen. A default HCT result will be used for calculation of the RBC folate value. |
| Minimum volume | 0.2 mL |
| Collection instructions | Both the HCT and folate will be performed on this tube. If sample is sent frozen, a default hematocrit will be used for calculation of the RBC folate. Do not freeze as this will affect the HCT. |
| Transport container | EDTA (lavender-top) tube |
| Transport temperature | Room temperature |
| Specimen stability | Folate (EDTA) Room temperature: 5 days Refrigerated: 5 days Frozen: 60 days Hematocrit Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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