LetterFeature(s) or organ system
A
short stature
B
microcephaly
C
lethality
E
epilepsy
F
overgrowth/macrocephaly
G
progression/regression
H
neurological symptoms
I
malignancies
J
immunological anomalies
K
endocrine anomalies
L
L1: brain malformations
L2: non-structural MRI anomalies
M
metabolic/mitochondrial anomalies
N
obesity
O
vegetative anomalies
P
behavioral anomalies
Q
myopathy (or muscular anomalies)
R
blood cell anomalies
S
ectodoermal anomalies
T
eye anomalies
U
U: skeletal anomalies
Ua: limb anomalies
Ub: vertebral/skull anomalies
Uc: clefts
V
cardiac malformations
W
urogenital and renal anomalies
X
other malformations

With the latest update on 08. August 2017 SysID currently contains: 997 primary ID genes, 641 candidate ID genes

CMBI Human Genetic Nijmegen Radboudumc Genecodys