Cell Rh Rhesus Kell Duffy Kidd MNSs P Lewis Lu Results   Cell
    C D E c e Cw K k Kpa Fya Fyb Jka Jkb M N S s P1 Lea Leb Lua Gel
IAT*
 
1 rr 0 0 0 + + 0 0 + 0 + 0 + 0 0 + + + +S + 0 0 3+ 1
2 rr 0 0 0 + + 0 0 + 0 0 + + 0 0 + + + +S + 0 0 0 2
3 rr 0 0 0 + + 0 0 + 0 + + 0 + 0 + + 0 + 0 + 0 2+ 3
4 r"r 0 0 + + + 0 0 + 0 + + 0 + 0 + 0 + + + 0 0 2+ 4
5 R2R2 0 + + + 0 0 + 0 0 + + + 0 + 0 + 0 + 0 + 0 2+ 5
6 R2R2 0 + + + 0 0 + + 0 + + + 0 + 0 + 0 + 0 + 0 2+ 6
7 R1R1 + + 0 0 + 0 0 + 0 0 + + + + 0 + 0 +S 0 + + 0 7
8 R1R1 + + 0 0 + 0 0 + 0 0 + + 0 + 0 0 + + + 0 0 0 8
9 RZR1 + + + - + 0 + + 0 + 0 0 + + 0 0 + + + 0 0 3+ 9
10 r’r + 0 0 + + 0 0 + 0 + 0 + + + 0 + 0 +S 0 + 0 3+ 10
11 Auto   0 11

*IAT = indirect antiglobulin test

  1. Identify the probable antibody in the patient's plasma.

    Answer

  2. Why is the patient's DAT now negative?

    Answer

  3. If you had wanted to type the patient for any antigens at this point in the investigation, which specimen would you have used?
     

    Answer