RBC Folate (Reference Lab Only, Requires Hematocrit within 24 hours)
Test Mnemonic
RBCFLR
CPT Codes
- 82747 - QTY (1)
Includes
- Hematocrit (client provided)
- Folate, RBC
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Whole blood | EDTA (Lavender) | Frozen, Critical | Protect from light during collection, storage, and shipment. Mix specimen well. Transfer 1 mL whole blood into an amber transport tube and freeze. Separate specimens must be submitted when multiple tests are ordered. Provide result of hematocrit test drawn 24 hours or less from this RBC folate draw. Patient cannot have received a transfusion or experienced excessive bleeding between the hematocrit draw and this RBC folate draw. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | 2 months |
| Refrigerated | 4 hours |
| Ambient | 2 hours |
Days Performed
Sun - Sat
Turnaround Time
2 - 3 days
Methodology
| Name | Description |
|---|---|
| Quantitative Chemiluminescent Immunoassay |
Special Info
Provide result of hematocrit test drawn 24 hours or less from this RBC folate draw. Patient cannot have received a transfusion or experienced excessive bleeding between the hematocrit draw and this RBC folate draw. Critical frozen and must be protected from light during collection, storage and shipment. Separate specimens must be submitted when multiple tests are ordered. Specimens that are clotted or non-frozen will be rejected. This test is New York DOH approved.
Clinical Info
This test is useful in the detection of folate deficiency.