[Histonet] universal negative control

[Michele Wich]

Does anyone know if it is acceptable to include just one "Universal"
negative control with patient slides on which both polyclonal and
monoclonal antibodies are being run? A previous manager (previous is the
key word here) made us change all staining protocols to include only one
universal control (I believe it was from Biocare) for each patient, no
matter what antibodies were being tested on that patient, in a supposed
effort to cut down on slide costs. 

Would this fly in a CAP inspection? 


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