O42.1
⚠ Non-billable (Header)Premature rupture of membranes, onset of labor more than 24 hours following rupture
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for O42.1
Child Codes (3)
O42.10Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestationO42.11Preterm premature rupture of membranes, onset of labor more than 24 hours following ruptureO42.12Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture
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CodeO42.1
BillableNo — Header code
ParentO42
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)