Preterm newborn, gestational age 31 completed weeks

conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later

• congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
• endocrine, nutritional and metabolic diseases (E00-E88)
• injury, poisoning and certain other consequences of external causes (S00-T88)
• neoplasms (C00-D49)
• tetanus neonatorum (A33)

Codes from this chapter are for use on newborn records only, never on maternal records

the listed conditions, without further specification, as the cause of morbidity or additional care, in newborn

When both birth weight and gestational age of the newborn are available, both should be coded with birth weight sequenced before gestational age

• 28 completed weeks or more but less than 37 completed weeks (196 completed days but less than 259 completed days) of gestation.
• Prematurity NOS