lgabbert Posted February 13, 2009 Share Posted February 13, 2009 I would like to know thoughts and policies for reporting weak D on gel testing, specifically on OB patients. When we used tube method, we did not do a weak D test so the patient was typed as Rh neg and therefore received Rhogam if indicated. However, recently we had a male patient who was typed as a weak D on a previous visit, but in gel he was Rh pos. I also recently learned that the reagent for D testing is much more specific, and that different manufacutrers react differently with each D variant. Hence the confusion about mothers and when to administer Rhogam. Any suggestions would be appreciated. Link to comment Share on other sites More sharing options...
David Saikin Posted February 13, 2009 Share Posted February 13, 2009 This is one of those "sticky wickets" with gel testing. Some prefer to call 2+ or weaker D+s in gel as Rh negative. I have studied one patient who is a classic Weak D+ (only detectable at AHG phase), she is 2+ in gel. Some call all gel +s Rh positive. John Judd prefers 3+ or weaker gel D+s to be called negative. . . I think you and your Medical Director will need to decide how you want to handle these. Link to comment Share on other sites More sharing options...
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