Update to specimen requirements, alternate specimen, rejection criteria, stability, methodology, and reference range
Patient Preparation: Fast 8 – 12 hours prior to collection.
Collect: Lavender EDTA
Specimen Preparation: Mix well. Centrifuge, separate plasma within 1 hour of collection and send 2.0 mL plasma frozen in a sterile screw capped plastic vial. Separate specimens must be submitted when multiple tests are ordered.
Alternate Specimen: Pink (K2EDTA)
Rejection Criteria: Hemolyzed, lipemic, icteric or clotted specimens
Stability:
Room temperature: 4 hours
Refrigerated: 72 hours
Frozen: 1 month
Methodology: Quantitative Enzyme-Linked Immunosorbent Assay
Reference Range: 150 pg/mL