What is the differential diagnosis for an increased alpha fetoportein (AFP) level?

Gastroschisis
Esophageal atresia
Multiple gestations
Incorrect menstrual dates (most common)
Neural tube defects
Error (laboratory)
Renal disease (polycystic kidney disease, obstruction, dysplasia, congenital nephrosis)
Chorioangioma
Omphalocele

GE MINER CO