Distribution of HLA antibodies identified by single antigen-based antibody identification tests in 2020
| Variable | HLA antigen | No. of labs |
|---|---|---|
| 1st | ||
| IHA-01 | ||
| Class I | Total | 21 |
| A23 | 21 | |
| A24 | 21 | |
| A32 | 21 | |
| B7 | 21 | |
| B13 | 21 | |
| B27 | 21 | |
| B44 | 21 | |
| B47 | 21 | |
| B48 | 21 | |
| B49 | 21 | |
| B50 | 21 | |
| B57 | 21 | |
| B58 | 21 | |
| B60 | 21 | |
| B63 | 21 | |
| A1 | 20 | |
| A25 | 20 | |
| A80 | 20 | |
| B41 | 20 | |
| B45 | 20 | |
| B61 | 20 | |
| B73 | 20 | |
| B76 | 20 | |
| B81 | 20 | |
| Cw2 | 19 | |
| Cw15 | 18 | |
| A26 | 17 | |
| A66 | 17 | |
| Cw5 | 17 | |
| A69 | 15 | |
| B38 | 9 | |
| Other | 5 | |
| Cw4 | 4 | |
| A2403 | 2 | |
| A33 | 2 | |
| Cw6 | 2 | |
| 703 | 1 | |
| B53 | 1 | |
| Class II | Total | 21 |
| DR7 | 21 | |
| DR8 | 21 | |
| DR11 | 21 | |
| DR12 | 21 | |
| DR13 | 21 | |
| DR16 | 21 | |
| DQ6 | 21 | |
| DR14 | 20 | |
| DR4 | 19 | |
| DR51 | 18 | |
| DR103 | 16 | |
| DR53 | 15 | |
| Other | 10 | |
| DR17 | 7 | |
| DR15 | 5 | |
| DR1403 | 2 | |
| DR1404 | 2 | |
| DR18 | 2 | |
| DR1 | 1 | |
| DR3 | 1 | |
| IHA-02 | ||
| Class I | Total | 21 |
| B51 | 18 | |
| B57 | 8 | |
| B78 | 6 | |
| B35 | 4 | |
| B75 | 4 | |
| B53 | 3 | |
| Blank | 3 | |
| B62 | 2 | |
| B71 | 2 | |
| B46 | 1 | |
| B49 | 1 | |
| B56 | 1 | |
| Cw2 | 1 | |
| Cw15 | 1 | |
| Class II | Total | 21 |
| DR4 | 20 | |
| DR8 | 20 | |
| DR12 | 20 | |
| DR52 | 20 | |
| DQ4 | 20 | |
| DQ8 | 20 | |
| DQ9 | 20 | |
| DQ2 | 18 | |
| DQ6 | 18 | |
| DQ7 | 17 | |
| DR17 | 14 | |
| DR13 | 13 | |
| DR11 | 9 | |
| DR9 | 9 | |
| Other | 9 | |
| DR14 | 8 | |
| DR18 | 4 | |
| DQ5 | 4 | |
| DR7 | 3 | |
| DR1403 | 2 | |
| DR1404 | 2 | |
| DR3 | 1 | |
| DQ1 | 1 | |
| 2nd | ||
| IHA-03 | ||
| Class I | Total | 24 |
| A23 | 24 | |
| A24 | 24 | |
| B54 | 24 | |
| A80 | 23 | |
| B59 | 20 | |
| B42 | 12 | |
| B8 | 5 | |
| B67 | 3 | |
| A2403 | 1 | |
| B55 | 1 | |
| Class II | Total | 24 |
| DR1 | 24 | |
| DR7 | 24 | |
| DR9 | 24 | |
| DR10 | 24 | |
| DQ2 | 24 | |
| DQ4 | 24 | |
| DQ5 | 24 | |
| DQ6 | 24 | |
| DQ9 | 24 | |
| DQ8 | 23 | |
| DR14 | 23 | |
| DR51 | 23 | |
| DR4 | 22 | |
| DR53 | 22 | |
| DR103 | 21 | |
| DR52 | 11 | |
| DQ7 | 8 | |
| Other | 7 | |
| DR15 | 4 | |
| DR16 | 4 | |
| IHA-04 | ||
| Class I | Total | 24 |
| A2 | 24 | |
| A29 | 24 | |
| A68 | 24 | |
| B8 | 24 | |
| B62 | 24 | |
| B75 | 24 | |
| A26 | 23 | |
| A31 | 23 | |
| A32 | 23 | |
| A33 | 23 | |
| A34 | 23 | |
| B13 | 23 | |
| B27 | 23 | |
| B38 | 23 | |
| B44 | 23 | |
| B46 | 23 | |
| B49 | 23 | |
| B51 | 23 | |
| B57 | 23 | |
| B58 | 23 | |
| B59 | 23 | |
| B63 | 23 | |
| B67 | 23 | |
| B73 | 23 | |
| B76 | 23 | |
| A25 | 22 | |
| A43 | 22 | |
| A66 | 22 | |
| A69 | 22 | |
| A74 | 22 | |
| B37 | 22 | |
| B47 | 22 | |
| B52 | 22 | |
| B53 | 22 | |
| B77 | 22 | |
| Cw7 | 22 | |
| B42 | 20 | |
| B55 | 18 | |
| B72 | 14 | |
| Other | 11 | |
| B48 | 6 | |
| A3 | 5 | |
| Bw4 | 2 | |
| 5102 | 1 | |
| Class II | Total | 24 |
| DR1 | 24 | |
| DR9 | 24 | |
| DR10 | 24 | |
| DR15 | 24 | |
| DR16 | 24 | |
| DR51 | 24 | |
| DQ5 | 24 | |
| DQ6 | 24 | |
| DR12 | 23 | |
| DR11 | 22 | |
| DR103 | 20 | |
| DR13 | 4 | |
| Other | 4 | |
| DR4 | 1 | |
| DR7 | 1 | |
| DR8 | 1 | |
| DR1403 | 1 | |
| DR53 | 1 |
Abbreviation: HLA, human leukocyte antigen.