Table 1.
List of laboratory testing performed prior to whole exome sequencing; all results were normal.
Chemistry 10 panel |
Complete blood count |
Liver function testing (AST, ALT, GGT, Albumin, Bilirubin) |
Thyroid testing (TSH, FT4) |
serum amino acids |
urine organic acids |
urine homovanillic acid |
urine vanillymandelic acid |
leukocyte lysosomal enzymes |
urine sialic acid |
transferrin isoelectric focusing |
comparative genomic hybridization microarray |
GLC2 gene sequencing |
PLP1 gene sequencing |