O42.90
ICD-10-CMPremature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation
This code signifies the spontaneous rupture of the amniotic sac (water breaking) before the onset of labor, where the specific duration between the rupture and labor's start is not documented. It also indicates that the gestational age at the time of rupture is unknown. This condition can lead to complications such as infection or preterm birth.
Use this code when documentation confirms premature rupture of membranes (PROM) but lacks details regarding the time interval to labor onset and the exact gestational week. This is appropriate when the physician's notes state "PROM, timing and gestation unspecified" or similar. It applies when the specific type of PROM (e.g., prolonged, preterm) cannot be determined from the available clinical information.
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