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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

(a.k.a Proteinase 3)
minimum sample volume required ~ 5ml

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Special instructions
Time limit for add on = 2 days

Interfering substances = Samples may be rejected if grossly haemolysed or lipaemic

Reference range


Linked to
ANCA Screen

Turnaround Time
14 days

Department: Immunology

Clinical Application
A marker for granulomatosis with polyangiitis (Wegener's Granulomatosis). PR3 is the major antigen giving rise to the c-ANCA fluorescence pattern.


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