G6PD deficiency may be classified to into 5 subtypes and gives some approximation of the magnitude of hemolysis an individual may incur in the setting of an oxidative stress.
Glucose-6-phosphate dehydrogenase deficiency classification
Thalassemia classification
Galactosemia classification
Sickle-cell disease classification
Glucose-6-phosphate dehydrogenase deficiency physical examination
Sickle-cell disease classification scheme
17-beta-hydroxysteroid dehydrogenase deficiency classification
22q11.2 deletion syndrome classification