ICD9 diagnosis codeIntroduction: Population-level changes in microcephaly incidence risk (IR) could signal circulation of neurotropic pathogens or potential emerging teratogen exposure. Methods: In this retrospective population cohort study, we estimated the IR of hospitalizations with a microcephaly ICD-9...
Live newborns were identified according to the International Statistical Classification of Diseases and Related Health Problems (ICD-10), which are selected newborns with ICD-10 code Q02, corresponding to microcephaly within the neonatal period defined as 28 days of age or less. The time frame for...