O42.9 – Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Code
O42.9(claims format:O429)- Description
- Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
- Short description
- Premature ROM, unsp time betw rupture and onset of labor
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 15. Pregnancy, childbirth and the puerperium (O00-O9A)
- Block
- O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Parent codes
- O42
Billable codes under O42.9
O42.9 is a header code and cannot be used on claims. Choose the most specific code:
- O42.90 – Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestationBillable
- O42.91 – Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of laborHeader (more codes below)
- O42.92 – Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of laborBillable
Related codes in O42
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, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).
Is O42.9 a billable code?
No. O42.9 is a header code with more specific child codes; report one of the billable codes listed above.
What category does O42.9 belong to?
It belongs to category O42 – Premature rupture of membranes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.