Table 5.

Rare blood types identified in the screened donor cohort

Phenotype*	Number of donors
Negative for HP blood groups
Lu(a+b–)	4
LU:–8,14	1
K+k–	7
Kp(a+b–)	1
Fy(a–b–)	6
Yt(a–b+)	16
Co(a–b+)	2
Vel–	1
Positive for LP blood groups
Js(a+)	1
KEL:17	6
Di(a+)	3
Wr(a+)	3
SC:2	20
HPA / HNA
HPA-1(a–b+)	49
HPA-2(a–b+)	25
HPA-5(a–b+)	20
HNA-2null	84
HNA-4(a–b+)	22

^*Negative for high-prevalence (HP) antigens; positive for low-prevalence (LP) antigens.