P07.20 | Extreme immaturity of newborn, unspecified weeks of gestation | BILLABLE CODE |
P07.21 | Extreme immaturity of newborn, gestational age less than 23 completed weeks | BILLABLE CODE |
P07.22 | Extreme immaturity of newborn, gestational age 23 completed weeks | BILLABLE CODE |
P07.23 | Extreme immaturity of newborn, gestational age 24 completed weeks | BILLABLE CODE |
P07.24 | Extreme immaturity of newborn, gestational age 25 completed weeks | BILLABLE CODE |
P07.25 | Extreme immaturity of newborn, gestational age 26 completed weeks | BILLABLE CODE |
P07.26 | Extreme immaturity of newborn, gestational age 27 completed weeks | BILLABLE CODE |