O42.913 Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester

Billable ICD-10-CM code, FY2026.

Applies from O42.91 Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor

Applicable to

• Premature rupture of membranes before 37 completed weeks of gestation

MS-DRG index

Defines the logic of DRG(s) 817-819 in MDC 14.

Approximate ICD-9-CM (GEMs)

• 658.11 Premature rupture of membranes, delivered, with or without mention of antepartum condition (approximate)
• 658.13 Premature rupture of membranes, antepartum condition or complication (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Maternity diagnoses (age 9 through 64): Age conflict edit. These diagnoses are clinically expected only in patients age 9 through 64.

Nearby codes

• 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 (this code)
• 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