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Test Code Granulocyte Ab Granulocyte Antibody Screen

Clinical System Name

Granulocyte Antibody Screen


Anti-granulocyte antibody
Granulocyte Ab

Sample Requirements

Specimen: Whole Blood

Container(s): Red or Gold SST

Preferred Vol: 7.0 mL

Minimum Vol: 2.0 mL




Processing Instructions

Reject due to: Refrigerated serum older than 7 days.

Spin: Y

Aliquot: Y

Temp: 2 - 4 C

Storage location: Spin sample and aliquot serum into plastic aliquot tube. Place sample into CPA refrigerator send-outs rack.


Off-site collection: Spin sample and aliquot serum into plastic aliquot tube and transport refrigerated. If transportation will take longer than 7 days, please send frozen at -20 C.


Specimen Type Temperature Time
Serum Room temp N
  Refrigerated 7 d
  Frozen Y



STAT Performed TAT
N M 7 - 10 d


Performing Laboratory

Blood Center of SE Wisconsin

Hemostasis Reference Laboratory
638 N 18 St
Milwaukee, WI 53233


Phone Number: (800) 245-3117 ext. 6250


Department:  Send Outs

Phone Number: (206) 987-2563



Method: Flow Cytometry

Analytical Volume: 1 mL serum


CPT Codes


Send Out Instructions


Reference Test Name: Neutrophil Antibody Screen
Reference Test Number: 5102
Instructions: Ship sample refrigerated via FedEx. BC of Wisconsin accepts Saturday delivery.