O42 - Premature rupture of membranes
O42.9 - Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
O42.90 - Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation
O42.91 - Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
O42.911 - Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester
O42.912 - Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester
O42.913 - Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester
O42.919 - Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified trimester
O42.92 - Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor