| Disorder | Symbol(s) | OMIM | Location |
| BRESHECK syndrome (2) | BRESEK | 300404 |
Chr.X |
| Baller-Gerold syndrome, 218600 (3) | RECQL4, RTS, RECQ4 | 603780 |
8q24.3 |
| Bamforth-Lazarus syndrome, 241850 (3) | FOXE1, FKHL15, TITF2, TTF2 | 602617 |
9q22 |
| Bannayan-Riley-Ruvalcaba syndrome, 153480 (3) | PTEN, MMAC1 | 601728 |
10q23.31 |
| Bardet-Biedel syndrome 10, 209900 (3) | BBS10, C12orf58, FLJ23560 | 610148 |
12q21.2 |
| Bardet-Biedl syndrome 1, 209900 (3) | BBS1 | 209901 |
11q13 |
| Bardet-Biedl syndrome 11, 209900 (3) | TRIM32, HT2A, LGMD2H, BBS11 | 602290 |
9q31-q34.1 |
| Bardet-Biedl syndrome 12, 209900 (3) | BBS12, FLJ35630, C4orf24 | 610683 |
4q27 |
| Bardet-Biedl syndrome 13, 209900 (3) | MKS1, MKS, BBS13 | 609883 |
17q23 |
| Bardet-Biedl syndrome 14, 209900 (3) | CEP290, KIAA0373, 3H11AG, JBTS5, SLSN6, LCA10, BBS14 | 610142 |
12q21.3 |
| Bardet-Biedl syndrome 2, 209900 (3) | BBS2 | 606151 |
16q21 |
| Bardet-Biedl syndrome 3, 209900 (3) | ARL6, BBS3 | 608845 |
3p12-q13 |
| Bardet-Biedl syndrome 4, 209900 (3) | BBS4 | 600374 |
15q22.3-q23 |
| Bardet-Biedl syndrome 5, 209900 (3) | BBS5 | 603650 |
2q31 |
| Bardet-Biedl syndrome 6, 209900 (3) | MKKS, HMCS, KMS, MKS, BBS6 | 604896 |
20p12 |
| Bardet-Biedl syndrome 7, 209900 (3) | BBS7 | 607590 |
4q27 |
| Bardet-Biedl syndrome 8, 209900 (3) | TTC8, BBS8 | 608132 |
14q32.1 |
| Bardet-Biedl syndrome 9, 209900 (3) | PTHB1, BBS9 | 607968 |
7p14 |
| Bare lymphocyte syndrome, type I, 604571 (3) | TAP1, ABCB2, TAP1, RING4, PSF1 | 170260 |
6p21.3 |
| Bare lymphocyte syndrome, type I, 604571 (3) | TAPBP, TPSN | 601962 |
6p21.3 |
