Broad, Splits and Associated Antigens
The following is a list of those specificities which arose as clear-cut splits of other specificities. Broad specificities that have Splits or associated antigens are shown. For a complete list of broad specificities please see the Antigens Table and for a complete list of associated antigens, including the new designations, please go to the Associated Antigens Table.
The previous version of this page has been updated to reflect the new four digit format for associated antigens as described in the 2026 Nomenclature Report, and we are currently reviewing the new associated antigens designations and how to incorporate into the following table.
| Original Broad Specificities | Splits | Associated Antigens |
|---|---|---|
| A2 | A0201, A0202, A0203, A0208, A0210, A0211, A0216, A0218, A0219, A0220, A0244, A0246, A0256, A0265, A0285 | |
| A3 | A0301, A0305, A0323 | |
| A9 |
A23
A24
|
A2301, A2304, A2424
A2402, A2403, A2404, A2405, A2408, A2410, A2414, A2423
|
| A10 |
A25
A26
A34
A66
|
A2601, A2603, A2607, A2614
A3401, A3402
A6601, A6602
|
| A19 |
A29
A30
A31
A32
A33
A74
|
A2901, A2902
A3001, A3002, A3007
A3101, A3102
A3201, A3204
A3301, A3303, A3308, A3313
|
| A28 |
A68
A69
|
A6801, A6810, A6813, A6836
|
| B5 |
B51
B52
|
B5101, B5102, B5103, B5107, B5119
|
| B7 | B0702, B0703, B0710, B0712, B0715, B0736 | |
| B8 | B0801, B0802 | |
| B12 |
B44
B45
|
B4402, B4404, B4406, B4408, B4410, B4429
|
| B14 |
B64
B65
|
|
| B15 |
B62
B63
B75
B76
B77
|
B1501, B1520, B1524, B1538, B1540, B1542, B1548
B1516, B1517
B1502, B1511
|
| B16 |
B38
B39
|
B3801, B3803, B3806
B3901, B3902, B3910
|
| B17 |
B57
B58
|
|
| B18 | B1801, B1805, B1806, B1809 | |
| B21 |
B49
B50
|
B4005
|
| B22 |
B54
B55
B56
|
B5501, B5504
B5601, B5603
|
| B27 | B2705, B2708, B2712, B2714 | |
| B35 | B3501, B3502, B3510, B3512, B3515, B3516, B3519, B3520, B3528, B3531 | |
| B37 | B3701, B3702, B3704, B3705 | |
| B40 |
B60
B61
|
B4001, B4016, B4021, B4023, B4047
B4002, B4004, B4008
|
| B47 | B4013, B4701 | |
| B48 | B4801, B4804, B4805 | |
| B67 | B6701 | |
| B70 |
B71
B72
|
B1510, B1523, B1529, B1537, B1552
B1503, B1547, B4802
|
| B78 | B7801 | |
| Cw3 |
Cw9
Cw10
|
Cw0304, Cw0307, Cw0308
|
| Cw4 | Cw0401, Cw0403, Cw0408, Cw0410, Cw0427 | |
| Cw5 | Cw0501, Cw0509, Cw0810 | |
| Cw6 | Cw0602, Cw0608, Cw0627 | |
| Cw7 | Cw0701, Cw0702, Cw0704, Cw0707, Cw0717 | |
| Cw8 | Cw0801, Cw0802, Cw0803, Cw0806 | |
| Cw12 | Cw1202, Cw1204, Cw1212 | |
| Cw15 | Cw1502, Cw1507 | |
| Cw16 | Cw1601, Cw1602 | |
| DQ1 |
DQ5
DQ6
|
|
| DQ3 |
DQ7
DQ8
DQ9
|
|
| DR1 | DR0101, DR0103 | |
| DR2 |
DR15
DR16
|
DR1501, DR1504
DR1601, DR1602
|
| DR3 |
DR17
DR18
|
|
| DR4 | DR0401, DR0402, DR0403, DR0412, DR0415, DR1410 | |
| DR5 |
DR11
DR12
|
DR1101, DR1102, DR1103, DR1105, DR1107, DR1108, DR1117
DR1201, DR1202
|
| DR6 |
DR13
DR14
|
DR1301, DR1303, DR1305, DR1317, DR1339, DR1343
DR1401, DR1402, DR1403, DR1404, DR1405, DR1411, DR1414, DR1422, DR1424, DR1448
|
| DR8 | DR0801, DR0803, DR0808, DR0818 | |
| DR11 | DR1101, DR1102, DR1103, DR1105, DR1107, DR1108, DR1117 | |
| DR12 | DR1201, DR1202 | |
| DR13 | DR1301, DR1303, DR1305, DR1317, DR1339, DR1343 | |
| DR14 | DR1401, DR1402, DR1403, DR1404, DR1405, DR1411, DR1414, DR1419, DR1422, DR1424, DR1448 | |
| DR51 | DR5101, DR5102, DR5103 | |
| DR52 | DR5201, DR5202, DR5203 | |
| Dw6 |
Dw18
Dw19
|
|
| Dw7 |
Dw11
Dw17
|
|
Last updated: 06-May-2026