KA21.4Level 4

Preterm newborn

**Definition:** Preterm: is less than 37 completed weeks (less than 259 days) of gestation.

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KA21.40Preterm newborn, gestational age 28 completed weeks

KA21.41Preterm newborn, gestational age 29 completed weeks

KA21.42Preterm newborn, gestational age 30 completed weeks

KA21.43Preterm newborn, gestational age 31 completed weeks

KA21.44Preterm newborn, gestational age 32 completed weeks

KA21.45Preterm newborn, gestational age 33 completed weeks

KA21.46Preterm newborn, gestational age 34 completed weeks

KA21.47Preterm newborn, gestational age 35 completed weeks

KA21.48Preterm newborn, gestational age 36 completed weeks

KA21.4ZPreterm newborn, unspecified

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