Congenital Disorder of Glycosylation, Type Ix, also known as cdg1x, is related to stt3a-cdg and stt3b-cdg and thrombophilia due to thrombin defect. An important gene associated with Congenital Disorder of Glycosylation, Type Ix is STT3B (STT3 Oligosaccharyltransferase Complex Catalytic Subunit B). Affiliated tissues include testes and bone marrow, and related phenotypes are intellectual disability and seizure