N-Terminal propeptide of type III collagen (PIIINP) is a derivative produced during the synthetic process of type III collagen that is associated with osteoarthritis (OA), rheumatoid arthritis (RA), and synovitis especially, therefore it is often used as a biomarker for arthritis. Creative BioMart Biomarker offers high quality detection service for PIIINP, ensuring high detection accuracy, sensitivity and efficiency in each sample.