O42.00: Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation
O42.00 is the billable ICD-10-CM diagnosis code for Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code O42.00?
O42.00 is the ICD-10-CM diagnosis code for Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation. It belongs to category O42 (Premature rupture of membranes).
Is O42.00 a billable code?
Yes. O42.00 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does O42.00 belong to?
O42.00 is part of ICD-10-CM category O42 — Premature rupture of membranes, which has 36 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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