Source:http://linkedlifedata.com/resource/umls/id/C0021278
MSH: Postnatal deaths from BIRTH to 365 days after birth in a given population. Postneonatal mortality represents deaths between 28 days and 365 days after birth (as defined by National Center for Health Statistics). Neonatal mortality represents deaths from birth to 27 days after birth.,CSP: all human infant deaths reported in a given population; statistically reported.,NCI: Any disease or condition resulting in postnatal death before age 1 yr. (NCI)