Congenital Dyserythropoietic Anemia Type II

**Semantic type:** Disease or Syndrome

**Definition:** An autosomal recessive subtype of congenital dyserythropoietic anemia caused by mutation(s) in the SEC23B gene, encoding protein transport protein Sec23B.

**Synonyms:** - CDA II - CDAN2 - HEMPAS - Hereditary Erythroblastic Multinuclearity with Positive Acidified-Serum Test - SEC23B-CDG