O42.01 Preterm premature rupture of membranes, onset of labor within 24 hours of ruptureNon-billable header with 4 child codes.
O42.011 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 trimesterO42.019 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimesterO42 Premature rupture of membranesO42.0 Premature rupture of membranes, onset of labor within 24 hours of ruptureO42.00 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 rupture (this code)O42.011 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 trimesterO42.019 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimesterO42.02 Full-term premature rupture of membranes, onset of labor within 24 hours of rupture