Table 1.
Identification of clinical need within NHSBT for rare erythrocyte phenotypes
| Blood group system | Patients with alloantibodies | Alloantibodies directed against antigens | Genetic basis of antigens |
|---|---|---|---|
| MNS | 22 | U, S, s | GYPB |
| Rh | 19 | D, C, E, c, e, CW, Hr0, hrB, HrB, MAR | RHD, RHCE |
| Duffy | 10 (+2) | Fya, Fyb, Fy3 | ACKR1 |
| Kell | 10 | K, k, Kpa | KEL |
| H | 8 | H | FUT1 |
| Lutheran | 3 | Lua, Lub | BCAM |
| Kidd | 3 | Jkb | SLC14A1 |
Results of a survey collating instances in which rare or problematic transfusion requirements were identified and in which the requirement for matched blood could not be fulfilled or resulted in no remaining store for subsequent patients. November 2014–January 2015; April 2015–April 2016. Fifty‐six patients in total, (+2) indicates untransfused individuals of Fy(a−b−) phenotype yet to develop alloantibodies. Two patients with McLeod syndrome (XK deficiency) are not listed.