Code
Hierarchy
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O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
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O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
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O42 Premature rupture of membranes
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O42.9 Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
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O42.90 Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation
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O42.91 Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
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O42.92 Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
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Notes
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CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
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Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
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Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
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1st trimester- less than 14 weeks 0 days
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2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
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3rd trimester- 28 weeks 0 days until delivery
Inclusion Terms
O42.92
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Premature rupture of membranes at or after 37 completed weeks of gestation, unspecified as to length of time between rupture and onset of labor
Use Additional
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code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.