ARUP's Laboratory Test Directory

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 from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)

Storage/Transport Temperature: Refrigerated.

Unacceptable Conditions: Plasma. Hemolyzed or lipemic specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 24 hours; Refrigerated: 5 days; Frozen: 2 months

Reference Interval:
Males: 22-105 µg/L
Females:
  Premenopausal: 20-101 µg/L
  Postmenopausal: 16-96 µg/L
CPT Code(s): 83519
Cross References: P1NP (Procollagen Type I Intact N-Terminal Propeptide), PINP (Procollagen Type I Intact N-Terminal Propeptide)