Lab Test

Neutrophil Associated Antibodies

Granulocyte antibodies, Granulocyte autoantibodies, Anti-Neutrophil Antibodies, Granulocyte Antibodies (Anti Neutrophil Antibodies) , ARUP #55506, EPIC: LAB6633, SOFT: XNAA

Specimen Collection Criteria

Collect: One plain Red-top tube.
Also acceptable: One Gold-top SST tube.

Critical frozen. Send specimen for processing immediately after collection.

Physician Office/Drawsite Specimen Preparation

Critical frozen. Let specimen clot 30-60 minutes then centrifuge to separate serum from cells within two hours of collection. Transfer serum to a plastic transport tube and freeze (-20°C/-4°F or below) immediately.

Preparation for Courier Transport

Transport: 3.0 mL serum, frozen (-20°C/-4°F or below). (Min: 0.5 mL)

Rejection Criteria

  • Specimens not collected and processed as indicated.


0,Ambient- 48 hours
Refrigerated- 2 weeks
Frozen-2 months


Monday, Thursday.
Results available in 2-6 days.

Reference Range


Test Methodology

Qualitative Flow Cytometry.

CPT Code


Test Codes

ARUP #55506, EPIC: LAB6633, SOFT: XNAA

Last Updated


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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.