Laboratories participating in histocompatibility program from 2019 to 2022
Test items | No. of labs | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
2019 | 2020 | 2021 | 2022 | ||||||||
1st | 2nd | 1st | 2nd | 1st | 2nd | 1st | 2nd | ||||
HLA typing |
|||||||||||
Generic type | 65 | 65 | 66 | 67 | 66 | 67 | 65 | 65 | |||
Allelic type | 25 | 26 | 28 | 28 | 28 | 31 | 32 | 29 | |||
HLA crossmatching | |||||||||||
T-CDC-Direct | 45 | 45 | 43 | 44 | 44 | 44 | 43 | 44 | |||
T-CDC-AHG | 47 | 47 | 45 | 47 | 46 | 46 | 46 | 46 | |||
B-CDC-Direct | 22 | 22 | 21 | 21 | 23 | 24 | 24 | 25 | |||
T-FCMXM | 33 | 33 | 31 | 33 | 33 | 33 | 33 | 34 | |||
B-FCMXM |
23 (1) | 23 | 22 (2) | 27 (1) | 26 | 26 | 27 (1) | 28 | |||
HLA antibody | |||||||||||
Screening | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 22 | |||
Phenotyping | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | |||
Single antigen identification | 22 | 22 | 21 | 24 | 24 | 24 | 24 | 25 | |||
HLA genotyping | |||||||||||
HLA B27 typing | 61 | 61 | 60 | 61 | 60 | 61 | 63 | 63 | |||
HLA B51 typing | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | |||
HLA B58:01 typing | - | - | - | - | - | - | - | 8 |
Abbreviation: HLA, human leukocyte antigen.
*The number of labs estimated according to the test for HLA-A/B/DRB1 loci. †The numbers in parenthesis indicate the labs that did not respond.