O42.912
✓ BillablePreterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester
Pregnancy, childbirth and the puerperium (O00-O9A)
Clinical Description
ICD-10-CM code O42.912 represents preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester. This code falls under the Pregnancy, childbirth and the puerperium (O00-O9A) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code O42.912?
ICD-10-CM code O42.912 is "Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester". It belongs to the category: Pregnancy, childbirth and the puerperium (O00-O9A).
Is O42.912 a billable ICD-10 code?
Yes, O42.912 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Related Codes in O42.91
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)