Extreme immaturity of NB, gestatnl age 27 completed weeks

This diagnosis code signifies a newborn delivered at a very early gestational age, specifically 27 completed weeks. This level of prematurity is associated with significant physiological immaturity and a high risk of complications due to underdeveloped organ systems.

Apply this code for newborns whose gestational age at birth is precisely documented as 27 completed weeks. This is typically used in conjunction with codes for the newborn's current health status and any associated conditions related to extreme prematurity. Documentation must clearly state the gestational age at birth.

• Always confirm the exact gestational age in completed weeks from the birth record or physician documentation.
• Do not confuse with codes for other gestational ages; specificity is crucial for accurate reporting.
• This code is a secondary diagnosis, typically following a Z38 code for liveborn infant.