Jsbneg Posted February 28 Share Posted February 28 Hi all, We had recently an ABO discrepancy on one of our patients (front typing groupO; back typing groupA) using the automated gel instrument Erytra (Grifols). When testing was done by tube method and manual gel (same manufacturer of gel cards and antisera reagents), the patient typed as straightforward group A (anti-A reacted strongly 4+ by both tube and manual gel methods). The same results were obtained again with a different sample collected from the patient. Testing on Erytra was repeated for first and second sample, again same results. it goes without saying, all the daily QC of the gel cards on the instrument were fine and we had other patients that were typed corrected as groupA, except for the discrepant sample. The patient does not seem to have a subgroup of A (at least based on the results of tube and manual gel methods). I wonder if anyone else has had similar ABO discrepancies by gel. Thank you in advance. SbbPerson and jayinsat 1 1 Link to comment Share on other sites More sharing options...
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