Megalencephaly

Instruction Source: Q04.5

Megalencephaly

Instruction Source: Q04

Other congenital malformations of brain

Excludes 1 (Mutually Exclusive)

• cyclopia (Q87.0)
• macrocephaly (Q75.3)

Instruction Source: Q00-Q07

Congenital malformations of the nervous system (Q00-Q07)

Instruction Source: Q00-QA1

Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders

Excludes 2 (Not Included Here)

• inborn errors of metabolism (E70-E88)

Clinical Notes

• Codes from this chapter are not for use on maternal records