Special Communication
Changes to RETAB, IA2AB, and PNHPNL Testing
Reticulin IgA and IgG Antibodies (RETAB)
Specimen Requirements
Volume:
0.8 mL, serum
Minimum Volume:
0.4 mL, serum
Collection Container:
Gold BD Hemogard™ Serum Separation Tube (SST)™
Alternate Container:
Red BD Hemogard™ Serum Tube
Specimen Instructions:
Centrifuge the specimen, then aliquot serum into a standard, non-sterile aliquot tube.
Transport Temperature:
Refrigerated
Insulinoma-Associated Antibody 2 (IA2AB)
Specimen Requirements
Volume:
0.5 mL, serum
Minimum Volume:
0.1 mL, serum
Collection Container:
Gold BD Hemogard™ Serum Separation Tube (SST)™
Transport Temperature:
Frozen
Stability
Ambient:
8 hours
Refrigerated:
48 hours
Frozen:
14 days
Other Information
Methodology:
Enzyme-Linked Immunosorbent Assay (ELISA)
Reference Range:
< 7.5 U/mL
Paroxysmal Nocturnal Hemoglobinuria (PNH) Panel by FCM (PNHPNL)
Stability
Ambient:
48 hours
Refrigerated:
Unacceptable
Frozen:
Unacceptable
Any additional information will be included in a future Technical Update. If you have any questions about these changes, please contact Client Services for assistance.