| ICD Code |
Description |
| O420 |
Premature rupture of membranes, onset of labor within 24 hours of rupture |
| O421 |
Premature rupture of membranes, onset of labor more than 24 hours following rupture |
| O429 |
Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor |