O42.91 is the authoritative medical code for Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor. This classification is used in medical billing and clinical recording to specify the clinical criteria for preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor (ICD-10-CM O42.91), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor is a non-billable ICD-10-CM category code O42.91. A more specific billable subcode must be selected for claims submission. Inclusion terms: Premature rupture of membranes before 37 completed weeks of gestation.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for O42.91 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Premature rupture of membranes before 37 completed weeks of gestation
Frequently Asked Questions (FAQ) & Clinical Guidance
Can O42.91 be billed directly?
No. O42.91 (Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What conditions are included under O42.91?
Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor includes: Premature rupture of membranes before 37 completed weeks of gestation.
Codes in This Family (24)
Official ICD-10-CM classifications in the same code family as O42.91, with their registry titles.
- O42 — Premature rupture of membranes
- O42.0 — Premature rupture of membranes, onset of labor within 24 hours of rupture
- O42.00 — Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation
- 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
- 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
- O42.113 — Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, third trimester
- O42.119 — Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified trimester
- O42.12 — Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture
- O42.9 — Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
- O42.90 — Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation
- O42.911 — Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester
- O42.912 — Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester
- O42.913 — Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester
- O42.919 — Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified trimester
- O42.92 — Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code O41.91
Disorder of amniotic fluid and membranes, unspecified, first trimester
ICD Code O45.91
Premature separation of placenta, unspecified, first trimester