Example of Warm Autoantibody

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The page below is a sample from the LabCE course Antibody Detection and Identification. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Example of Warm Autoantibody

In this example, the patient's plasma tests positive with both screening cells at a strength of 2+.
Rh-HrKellDuffyKiddLewisMNSsLutheran
VialDonorDCcEefVCwKkKpaKpbJsaJsbFyaFybJkaJkbLeaLebMNSsLuaLubISAHGCC
IR1R1++00+000++0+0++++00++00+0+02+NT
IIR2R2+0++00000+0+0++0+++0++++0+02+NT
The screening cells, autocontrol, and all panel cells show reactivity at the AHG phase, which indicates a possible warm autoantibody.
Rh-HrKellDuffyKiddLewisMNSsPLutheran
Donor Cell NumberDCcEeCwKkKpaKpbJsaJsbFyaFybJkaJkbLeaLebMNSsP1LuaLubISAHGCC
1++00+00+0+0++0+++0+++++0+02+NT
2++00++++0+0+++0+0+0++++0+02+2+
3+0++000+0+0+0+0+0++00++0+02+2+
4+0+0+00+0+0+00+00++++0+0+03+NT
50++0+00+0+0++++++00+0+00+02+NT
600+++0++0+0+0+++0+++++00+02+NT
700+0+00+0+0++00++0+00++0+02+NT
800+0+00+0+0+++0+0+++++00+02+NT
900+0+00+0+0++++00+0++0+0+02+NT
10+0+0+0++0+0+0+0+0+0++0+0+02+NT
AC02+NT