Neutrophil Antibody Screen

Sunquest Code:NEUAB  
Epic Code:LAB3631Epic Name:Neutrophil Antibody Screen
Synonyms:Granulocyte Antibody Screen
Methodology:Granulocyte agglutination; granulocyte immunofluorescein assay
CPT Code:86021 x2
Test Includes:May include antibody detection, antibody identification, direct granulocyte associated Ig testing or antigen typing.
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 10 days.
Special Instructions:Provide patient diagnosis, white blood cell count and leukocyte differential on request form. UMMC-East, UMMC-West and Amplatz: To expedite delivery of specimen to American Red Cross - send to UMMC-East or UMMC-West Blood Bank. Do not send to East Bank Core Lab Sendout Department. FRH and FSH use the ARC courier and send specimen directly to American Red Cross.

Collection Instructions

Optimal Volume:3 mL
Minimum\Peds Volume:1.2 mL
Causes for Rejection:Gross hemolysis

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.5 mL, 0.5 mL minimum. Store in freezer.
Shipping Instructions:Ship on dry ice.
Stability:Record patient diagnosis, white cell count, and leukocyte differential on the Red Cross request form.
Test Performed at or Referral Lab Lab Sendouts  (American Red Cross, North Central Blood Services (ARC))


Reference Range:





HLS Antibody Screen




Use:Diagnosis of neonatal alloimmune neutropenia, autoimmune neutropenia, antibody-mediated white cell destruction in work-up of febrile and pulmonary transfusion reactions.

Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact: for TestID: 1115"