O42.02 Full-term premature rupture of membranes, onset of labor within 24 hours of rupture

Billable ICD-10-CM code, FY2026.

Applicable to

• Premature rupture of membranes at or after 37 completed weeks of gestation, onset of labor within 24 hours of rupture

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)

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.

Diagnosis Index entries for O42.02

• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › premature rupture of membranes › with onset of labor › within 24 hours › at or after 37 weeks gestation, onset of labor within 24 hours of rupture

Nearby codes

• 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 (this code)
• 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