P07 - Disorders of newborn related to short gestation and low birth weight, not elsewhere classified
P07.2 - Extreme immaturity of newborn
InclusionTerm:
-Less than 28 completed weeks (less than 196 completed days) of gestation.
P07.20 - Extreme immaturity of newborn, unspecified weeks of gestation
P07.21 - Extreme immaturity of newborn, gestational age less than 23 completed weeks
P07.22 - Extreme immaturity of newborn, gestational age 23 completed weeks
P07.23 - Extreme immaturity of newborn, gestational age 24 completed weeks
P07.24 - Extreme immaturity of newborn, gestational age 25 completed weeks
P07.25 - Extreme immaturity of newborn, gestational age 26 completed weeks
P07.26 - Extreme immaturity of newborn, gestational age 27 completed weeks