
Due to manufacturing difficulties, the referral laboratory's diagnostics supplier is currently unable to supply P3NP reagents to any laboratory globally. The P3NP service has therefore been suspended until the reagent supply is restored, which is estimated to be mid-January 2019. Samples will be stabilised and stored until reagent becomes available, and the referral laboratory are expecting to clear the backlog of samples within two weeks of the reagents being received. Please accept our apologies for the inconvenience caused. |
Alternative names, keywords |
Procollagen-3 N-terminal peptide, P3NP |
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Samples required |
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Test indications |
Detection of liver fibrosis for dermatology patients on methotrexate. The British Society of Rheumatology do not recommend P3NP monitoring in rheumatology patients on methotrexate. Testing in children is not recommended - ranges are wide due to collagen deposition in normal growth. |
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Reference range |
2.0 - 7.0 µg/L (adults ≥18 years old)
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Turnaround time |
Referral lab quotes turnaround time of 9 days, however additional time must be allowed for packing, dispatch and delivery of sample, and return and processing of results. |
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Enquiries |
Biochemistry (Referrals) |