Neutrophil Antibody, Flow Cytometry

Granylocyte Antibody Screen

Test Codes

EPIC: LAB1232088, Beaker: Neutrophil A, Quest: 1606

Department

Send Outs

Specimen Collection Criteria

Collect: Two plain Red-top tubes.

Do not use Serum Separator Tubes.

Physician Office/Draw Specimen Preparation

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and keep at room temperature (20-26°C or 68-78.8°F).

Preparation for Courier Transport

Transport: 1.0 mL serum, at room temperature (20-26°C or 68-78.8°F). (Minimum: 0.1 mL)

Rejection Criteria

• Serum separator tube (SST).
• Specimens not collected and processed as indicated.

In-Lab Processing

Let specimen clot 30-60 minutes then centrifuge to separate serum from cells. Transfer serum to a plastic transport tube and keep at room temperature (20-26°C or 68-78.8°F).

Transport: 1.0 mL serum, at room temperature (20-26°C or 68-78.8°F). (Minimum: 0.1 mL) 

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Tuesday, Thursday.
Results available in 3-8 days.

Reference Range

None detected.

Test Methodology

Flow Cytometry (FC)

Interpretation

By report.

Clinical Utility

Neutrophil Antibody, Flow Cytometry – Neutrophil Antibody has been observed with neonatal alloimmune neutropenia, autoimmune neutropenia, transfusion reactions, and drug-induced neutropenia.

CPT Codes

86021

Contacts

Last Updated

8/14/2026