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Home Case Studies B-Level Case B2: Missing ABO Antibodies in an Octogenarian Case Study B2 - Case Discussion - Answer (Question 2)
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Case Study B2 - Case Discussion - Answer (Question 2)

What is the minimal positive grading for the reverse grouping cells to be considered positive?

The the minimal positive grading is 2+.

An ABO grouping discrepancy is present when the reactions in the forward grouping do not match the reactions in the reverse grouping or where expected positive reaction gradings are negative, weak (microscopically positive only) or 1+ in strength.

Last modified on Wednesday, 19 January 2011 16:20