Anti-PR3 (c-ANCA)

CPT: 86596
Autoimmune

What This Test Measures

Antibody against proteinase-3; highly specific for granulomatosis with polyangiitis (GPA/Wegener's).

Preparation

No fasting required

General guidelines only. Requirements vary by lab and individual. Confirm with your provider before adjusting any medications.

Turnaround Time

Varies by lab

Clinical Notes

c-ANCA pattern on IFA; anti-PR3 is the specific antigen

ICD-10 Codes

Common diagnosis codes associated with this test. Codes are assigned by your provider.

M31.3Wegener granulomatosis without renal involvement
M32.9Systemic lupus erythematosus, unspecified

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Lab Codes

Proprietary codes used by each lab for this test.

ARUP Laboratories
0050707(order_code)
Mayo Clinic Labs
PR3(order_code)

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For informational purposes only

This page is for educational and research purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. ICD-10 and CPT codes are assigned by your healthcare provider. Always consult a qualified healthcare provider before ordering any lab test or making decisions about your health.