Common ABO Typing Discrepancies: Answer questions fully and include all steps in probable cause and resolution.
Understand the Problem
The question is asking to analyze ABO typing discrepancies based on given results and provide a comprehensive answer including probable ABO group, type of discrepancy, probable causes, and resolution.
Answer
AB with an A subgroup; weak A reaction; repeat testing, test with A1/A2 cells.
Probable ABO Group: AB with an A subgroup. Type of discrepancy: A weak subgroup reaction. Probable Causes: Weak A antigen expression, technical errors. Resolution: Repeat testing, room temperature incubation, or test with A1 and A2 cells.
Answer for screen readers
Probable ABO Group: AB with an A subgroup. Type of discrepancy: A weak subgroup reaction. Probable Causes: Weak A antigen expression, technical errors. Resolution: Repeat testing, room temperature incubation, or test with A1 and A2 cells.
More Information
In addressing ABO discrepancies, understanding the serological properties of the blood group system is crucial. Subgroups and weak expression can complicate interpretations.
Tips
One common mistake is misidentifying technical errors as genuine weak antigen expression. Ensuring that proper testing procedures are followed can help prevent this.
Sources
- ABO Typing Discrepancies - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Resolution of ABO Discrepancies - ARUP Laboratories - arup.utah.edu
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