Serum samples are tested for IgM and IgG antibody to HGA by indirect ELISA utilizing proprietary recombinant fusion-product antigens. If the acute specimen is negative (i.e. antibodies undetectable) and the clinical history strongly suggests infection, collect a convalescent specimen 3-4 weeks later.

Specimen Requirements for Anaplasma phagocytophilum:

Type: Serum or EDTA Plasma
Volume: 2.0 ml
Minimum: 0.5 ml
Storage: Refrigerate at 2-8°C
Stability: 5 Days Refrigerated or Frozen at -20°C
Shipping: Ambient

Turnaround Time: Routinely 24 to 48 Hours From Receipt