- Question 1. What additional testing should be done on the specimen?
- Question 2. What is the minimal positive grading for the reverse grouping cells to be considered positive?
- Question 3. What is the probable reason for this discrepancy?
- Question 4. What is the follow-up when, after performing routine investigation, a valid reverse group cannot be obtained or explained?
- Question 5. When a reverse grouping remains un resolved (i.e., reactions in the reverse group are still less than 2+) what additional testing must always be performed when crossmatched blood is required?
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