Test Code:  LEFLU
Assay Schedule:  Varies
Reporting Schedule:  15 days
CPT:  80299

Collection

• Serum or Plasma

• Clot activator (red top)
• K3 EDTA (lavender top)
• Sodium Fluoride/Potassium oxate (grey top)
• Sodium Heparin (Royal Blue top)

• Preferred: 1.0 mL
• Minimum: 0.5 mL

• Ambient: Unacceptable
• Refrigerated: 17 days
• Frozen: 17 days

Processing & Shipping

Specimen Processing:
Allow red to to clot for 20-30 minutes. Separate serum or plasma from cells and aliquot into a plastic transport tube, refrigerate.

Shipping Instructions:
Ship refrigerated

Rejection Criteria:
Specimens collected in gel-barrier tubes are unacceptable.