Procollagen Type I Intact N-Terminal Propeptide
:0070236
Mnemonic: PINP
Methodology:
Quantitative Radioimmunoassay
Performed:
Thu
Reported:
1-8 days
Specimen Required:
Collect: Serum separator tube or plain red. Collect all specimens at the same time of day; there is a diurnal variation of PINP and values are higher at night.
Specimen Preparation: Allow serum tube to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum (Min: 0.2 mL) to an ARUP Standard Transport Tube.
Storage/Transport Temperature: Refrigerated.
Unacceptable Conditions: Hemolyzed or lipemic specimens.
Stability (collection to initiation of testing): After separation from cells: Ambient: 24 hours; Refrigerated: 5 days; Frozen: 2 months