| O42 | Premature rupture of membranes |
| | Premature rupture of membranes, onset of labor within 24 hours of rupture |
| | Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation |
| | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture |
| | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, first trimester |
| | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimester |
| | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, third trimester |
| | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimester |
| | Full-term premature rupture of membranes, onset of labor within 24 hours of rupture |
| | Premature rupture of membranes, onset of labor more than 24 hours following rupture |
| | Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation |
| | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture |
| | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester |
| | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, second trimester |
| | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, third trimester |
| | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified trimester |
| | Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture |
| | Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor |
| | Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation |
| | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor |
| | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester |
| | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester |
| | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester |
| | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified trimester |
| | Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor |
