Definitions for "Postneonatal death"
Keywords:  liveborn, infant, death, neonatal, day
Death of an infant aged 28 days and over but less than 1 year of age.
Death of a liveborn infant after the first 27 days of age, but before one year of age.
Death on or after the 28th day of life and before the first birthday. (See also infant death.)