A summary of the possible serological findings of an WAIHA investigation following elution is presented in the table below.
Warm autoantibody reactive in eluate only
| Positive | Negative
| Not indicated
|
Warm autoantibody reactive in serum/plasma and eluate; no underlying alloantibodies
| Positive
| Reactive with all panel cells tested
| No reactivity after adsorption
|
Warm autoantibody reactive in serum/plasma and eluate; underlying alloantibodies that must be identified
| Positive
| Reactive with all panel cells tested
| Reactivity after adsorption
|