| Full description | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimester |
| Billable | Yes |
| Chapter | Chapter 15: Pregnancy, childbirth and the puerperium (O00-O9A) |
| Section | Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) |
| Parent code | O42.01 — Preterm prem ROM, onset labor within 24 hours of rupture |