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Test Code LAB20615 Folate, RBC

Department

Send Outs

Reference Lab Test Number

RBCF

Collection Requirements

Fasting preferred Patient Preparation: A hematocrit result is required. Provide a hematocrit from this collection with the sample submission. A hematocrit collected within 24 hours of the RBCF collection is also acceptable if the patient has not received a transfusion or experienced excessive bleeding in that 24 hour period. Please note: Methotrexate and leucovorin may interfere with assay.

Refer To

Warde Medical Laboratory

Primary Collection Container

Lavender 4 mL (K3EDTA)

Transport

Whole Blood Frozen

Preferred Transport Temperature

Frozen

Processing

Send 1 full EDTA whole blood (entire sample) in the original collection

tube along with the hematocrit

Stability

Room temperature: 8 hours

Refrigerated: 24 hours

Frozen: 2 months

Minimum Testing Volume

1.0 mL

Reference Range

280-791 ng/mL

Methodology

Chemiluminescence

Performed

2-4 days

Reported

Monday-Friday

CPT Codes

82747

Unacceptable Conditions

Lipemia, clotted whole blood, plasma, serum