| Full description | Extreme immaturity of newborn, gestational age 27 completed weeks |
| Billable | Yes |
| Chapter | Chapter 16: Certain conditions originating in the perinatal period (P00-P96) |
| Section | Disorders of newborn related to length of gestation and fetal growth (P05-P08) |
| Parent code | P07.2 — Extreme immaturity of newborn |