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FOLATE, rbc (red blood cell) (087-0380)
Test Mnemonic:

  RBC-FOLATE
Methodology:

   Chemiluminescence
Performed:

  Clinical Chemistry
Turnaround Time:

 48 - 72 hours; test performed Monday - Friday.
Specimen Requirements: Collect:  Routine venipuncture; AM collection is preferred. Test requires both SST and EDTA tubes.  7 mL SST and 5 mL lavender-topped (EDTA) tubes (see storage Instructions). (Min.: 3mL of blood).  

Specimen Preparation: SST (Serum Separator Tube): Centrifuge the specimen to separate from red cells within 2 hours of collection.   Refrigerate at 2-8°C.   Lavender-topped (EDTA preservative) Tube: DO NOT centrifuge; refrigerate until delivered to lab. Do not freeze lavender-topped tube; keep refrigerated.

Storage/Transport:  delivered to Sample Management within 2 hours of collection.    

Stability: Whole blood:  Refrigerated for ≤ 5 days; Prepared samples: Refrigerated for ≤   18 hours or frozen for ≤ 7 days.  

Causes for Rejection: Incomplete and/or incorrect sample identification, improper storage/transport, and gross hemolysis or lipemia.                                                                                                              
Clinical Information:

If applicable, state clinical information that is required to be provided with specimen.
Reference Range:

By report (reports may vary based on instrumentation, patient age and sex)
Note:

 Test can be ordered only once per inpatient admission or once per month for outpatients. Additional requests must have the approval of the laboratory director.
CPT 4 Code:

  82747
  Reviewed by Tho Nguyen, MT(ASCP) 7/5/13

When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient.  Components of the organ or disease panels may be ordered individually.  The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-9 code or its verbal equivalent.
   
 

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