Specimen Collection Requirements
One 4 mL serum separator tube. Also acceptable: lavender (EDTA) or pink (K2EDTA).
Separate serum from cells ASAP and freeze. Avoid repeated freeze/thaw cycles.
After separation from cells: Ambient: Unacceptable; Refrigerated: 1 week; Frozen: 3 months
Two-Site Enzyme Immunoassay
0-1 year: Not established
2 years and older: 2.1-26.8 pmol/L
Thursday, January 5, 2017 03:42:26 AM