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 mLWhole bloodEDTA (Lavender) Frozen, CriticalProtect 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
Frozen2 months
Refrigerated4 hours
Ambient2 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.