Current
Q02 — Microcephaly
Part of Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders , block Congenital malformations of the nervous system (Q00-Q07) .
Official Notes
Includes
hydromicrocephaly
Includes
micrencephalon
Code First
, if applicable, congenital Zika virus disease
Excludes1
Meckel-Gruber syndrome ( Q61.9 )
Child Codes
Q02 has no child codes in the FY 2027 release -- it is used on its own.
Referenced By
Official notes on these codes cite Q02.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS