Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

**Includes:** - conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care

**Excludes2:** - when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)

**Use additional code:** - code to identify specific condition