Imperial Collage Healthcare

Procollagen 3 (P3NP)


Test Background
The amino-terminal peptide of type 3 procollagen (P3NP) is formed during the synthesis of type 3 collagen. Serum P3NP is used as a marker for hepatic fibrosis in patients on long-term, low-dose methotrexate.


Clinical Indications
Monitoring of patients receiving low-dose methotrexate therapy.


Reference Range

See report


Sample Required
SST (gold top) or serum (red top)


Sample Volume
0.5 mL


Turnaround Time
Up to 6 weeks


Notes
Not currently performed in house; this is a referred test.

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