Pretrm prem ROM, onset labor w/n 24 hours of rupt, first tri

This code signifies a premature rupture of the amniotic sac (water breaking) occurring before 37 weeks of gestation, specifically when labor begins within 24 hours of that rupture. This event takes place during the first trimester of pregnancy. It indicates an early onset of labor following the premature membrane rupture.

Apply this code when documentation clearly states preterm premature rupture of membranes (PPROM) in the first trimester, followed by the initiation of labor within 24 hours. This typically occurs in scenarios where a pregnant patient presents with fluid leakage and subsequent contractions or cervical changes indicating labor onset.

• Ensure documentation specifies both "preterm" and "premature rupture of membranes" (PPROM), along with the first trimester.
• Verify that labor onset is explicitly noted as occurring within 24 hours of the membrane rupture.
• Distinguish from cases where labor does not begin within 24 hours (O42.02-) or where the rupture occurs in later trimesters.