ICD-10-CM · Chapter 15 · O00-O9A
O42 Premature rupture of membranes
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O42..0 | Premature rupture of membranes, onset of labor within 24 hours of rupture | No |
| O42..00 | Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation | Yes |
| O42..01 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture | No |
| O42..011 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, first trimester | Yes |
| O42..012 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimester | Yes |
| O42..013 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, third trimester | Yes |
| O42..019 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimester | Yes |
| O42..02 | Full-term premature rupture of membranes, onset of labor within 24 hours of rupture | Yes |
| O42..1 | Premature rupture of membranes, onset of labor more than 24 hours following rupture | No |
| O42..10 | Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation | Yes |
| O42..11 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture | No |
| O42..111 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester | Yes |
| O42..112 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, second trimester | Yes |
| O42..113 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, third trimester | Yes |
| O42..119 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified trimester | Yes |
| O42..12 | Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture | Yes |
| O42..9 | Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor | No |
| O42..90 | Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation | Yes |
| O42..91 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor | No |
| O42..911 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester | Yes |
| O42..912 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester | Yes |
| O42..913 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester | Yes |
| O42..919 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified trimester | Yes |
| O42..92 | Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor | Yes |
Last reviewed: September 2026