O42.0
⚠ Non-billable
Premature rupture of membranes, onset of labor within 24 hours of rupture
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O42.0
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O42.0?
ICD-10-CM code O42.0 represents Premature rupture of membranes, onset of labor within 24 hours of rupture. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O42.0 billable?
No. O42.0 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O42.0 in?
O42.0 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O42 category
O42
Premature rupture of membranes
Non-billable
O42.1
Premature rupture of membranes, onset of labor more than 24 hours following rupture
Non-billable
O42.9
Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
Non-billable
O42.00
Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation
Billable
O42.01
Preterm premature rupture of membranes, onset of labor within 24 hours of rupture
Non-billable
O42.02
Full-term premature rupture of membranes, onset of labor within 24 hours of rupture
Billable
O42.10
Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation
Billable
O42.11
Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture
Non-billable
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