O42.0 Premature rupture of membranes, onset of labor within 24 hours of ruptureNon-billable header with 3 child codes.
O42.00 Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestationO42.01 Preterm premature rupture of membranes, onset of labor within 24 hours of ruptureO42.02 Full-term premature rupture of membranes, onset of labor within 24 hours of ruptureO42 Premature rupture of membranesO42.0 Premature rupture of membranes, onset of labor within 24 hours of rupture (this code)O42.00 Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestationO42.01 Preterm premature rupture of membranes, onset of labor within 24 hours of ruptureO42.011 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, first trimesterO42.012 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimesterO42.013 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, third trimester