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  3. O00-O9A
  4. O30-O48
  5. Premature rupture of membranes (O42)

Premature rupture of membranes (O42)

ICD-10 code O42 covers various types of premature rupture of membranes (PROM), a condition where the amniotic sac breaks before labor begins. These codes specify the timing of labor onset relative to membrane rupture and the pregnancy trimester.

This section includes codes for PROM with labor starting within 24 hours (e.g., O42.0), after 24 hours (e.g., O42.1), or when the timing is unspecified (e.g., O42.9). It distinguishes between preterm premature rupture of membranes (PPROM), which occurs before 37 weeks of gestation, and full-term PROM, occurring at or after 37 weeks. Subcodes such as O42.011 to O42.913 indicate specific trimesters or unspecified gestational ages. Synonyms like "prem rupture of membranes onset of labor within 24 hours," "prolonged rupture of membranes," and "amniotic fluid leaking" help clarify common terms mapped to these codes. These specific ICD-10-CM codes enable precise classification of PROM cases for accurate diagnosis and healthcare documentation.

  • Pregnancy, childbirth and the puerperium (O00-O9A)

    • Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

        • Premature rupture of membranes (O42)

        • O42 Premature rupture of membranes
        • O42.0 Premature rupture of membranes, onset of labor within 24 hours of rupture
        • O42.00 Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation
        • O42.01 Preterm premature rupture of membranes, onset of labor within 24 hours of rupture
        • 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
        • O42.02 Full-term premature rupture of membranes, onset of labor within 24 hours of rupture
        • O42.1 Premature rupture of membranes, onset of labor more than 24 hours following rupture
        • O42.10 Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation
        • O42.11 Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture
        • 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
        • O42.12 Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture
        • O42.9 Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
        • O42.90 Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation
        • O42.91 Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
        • 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
        • O42.92 Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor

Clinical Terms

The following clinical terms provide additional context, helping users better understand the clinical background and common associations for each diagnosis listed in this section. Including related terms alongside ICD-10-CM codes supports coders, billers, and healthcare professionals in improving accuracy, enhancing documentation, and facilitating research or patient education.

Oligohydramnios

A condition of abnormally low AMNIOTIC FLUID volume. Principal causes include malformations of fetal URINARY TRACT; FETAL GROWTH RETARDATION; GESTATIONAL HYPERTENSION; nicotine poisoning; and PROLONGED PREGNANCY.