1. O42 Premature rupture of membranes

    1. O42.0 Premature rupture of membranes, onset of labor within 24 hours of rupture

      1. O42.00 Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation

      2. O42.01 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture

        Inclusion term(s):

        • Premature rupture of membranes before 37 completed weeks of gestation
        • O42.011 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, first trimester
        • O42.012 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimester
        • O42.013 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, third trimester
        • O42.019 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimester
      3. O42.02 Full-term premature rupture of membranes, onset of labor within 24 hours of rupture

        Inclusion term(s):

        • Premature rupture of membranes at or after 37 completed weeks of gestation, onset of labor within 24 hours of rupture
    2. O42.1 Premature rupture of membranes, onset of labor more than 24 hours following rupture

      1. O42.10 Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation

      2. O42.11 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture

        Inclusion term(s):

        • Premature rupture of membranes before 37 completed weeks of gestation
        • O42.111 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester
        • O42.112 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, second trimester
        • O42.113 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, third trimester
        • O42.119 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified trimester
      3. O42.12 Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture

        Inclusion term(s):

        • Premature rupture of membranes at or after 37 completed weeks of gestation, onset of labor more than 24 hours following rupture
    3. O42.9 Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor

      1. O42.90 Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation

      2. O42.91 Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor

        Inclusion term(s):

        • Premature rupture of membranes before 37 completed weeks of gestation
        • 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
      3. O42.92 Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor

        Inclusion term(s):

        • Premature rupture of membranes at or after 37 completed weeks of gestation, unspecified as to length of time between rupture and onset of labor
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.