O42.1 – Premature rupture of membranes, onset of labor more than 24 hours following rupture
ICD-10-CM 2027 diagnosis code · Maternal care related to the fetus and amniotic cavity and possible delivery problems
- Code
O42.1(claims format:O421)- Description
- Premature rupture of membranes, onset of labor more than 24 hours following rupture
- Short description
- Premature ROM, onset labor more than 24 hours fol rupture
- 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 O42.1
O42.1 is a header code and cannot be used on claims. Choose the most specific code:
- O42.10 – Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestationBillable
- O42.11 – Preterm premature rupture of membranes, onset of labor more than 24 hours following ruptureHeader (more codes below)
- O42.12 – Full-term premature rupture of membranes, onset of labor more than 24 hours following ruptureBillable
Related codes in O42
Frequently asked questions
What is ICD-10 code O42.1?
O42.1 is the ICD-10-CM code for premature rupture of membranes, onset of labor more than 24 hours following rupture, in the block O30-O48 (Maternal care related to the fetus and amniotic cavity and possible delivery problems).
Is O42.1 a billable code?
No. O42.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does O42.1 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.