O42 ICD-10-CM Code: Premature rupture of membranes
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
O42Premature rupture of membranes
ICD-10-CM diagnosis code · United States clinical modification
Where O42 sits
- 1
Chapter 15
Pregnancy, childbirth and the puerperium (O00-O9A)
- 2
Section
Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- 3
Category O42
Premature rupture of membranes
- 4
Code O42
Premature rupture of membranes
Codes under O42
O42 is a non-billable category. Choose the child code that best matches the documented diagnosis.
Notes for this code
Inclusion terms
No inclusion terms are listed for O42.
Code first
No “code first” instruction is listed for O42.
Use additional code
No “use additional code” instruction is listed for O42.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for O42.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for O42.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code O42 mean?
O42 is the FY 2027 U.S. ICD-10-CM code for “Premature rupture of membranes.”
Is O42 a billable or specific ICD-10-CM code?
No. O42 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is O42 located in ICD-10-CM?
O42 is listed in Chapter 15, Pregnancy, childbirth and the puerperium (O00-O9A), within Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48) (O30–O48), under category O42, Premature rupture of membranes.
What coding notes are listed for O42?
No inclusion terms are listed for O42 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.