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O42.9

Non-billable

Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor

O42.9 is the ICD-10-CM code for Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor. It is a non-billable category code — use a more specific child code such as O42.90 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Parent
O42
Subcodes
3
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code O42.9?
O42.9 is the ICD-10-CM code for "Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O42.9 a billable code?
No — O42.9 is a non-billable header code. Use a more specific child code (such as O42.90) for billing.
What are the subcodes of O42.9?
O42.9 has 3 more specific child codes, including O42.90, O42.91, O42.92.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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