Cost 
$1,000.00
TAT 
4 weeks
CPT Code 
81405
Test Code 
1140
Test Methods 
Sequencing
Specimen Types Accepted 
Blood
Saliva
Buccal
Cultured Cells
Extracted DNA
Disorders 
Genes 

PAFAH1B1 (LIS1) [OMIM#601545] abnormalities cause the most severe form of lissencephaly and are generally associated with a p>a gradient. PAFAH1B1 mutations are present in approximately 30% of patients with PAFAH1B1-related lissencephaly and rarely in patients with SBH.