O42.1
Non-billablePremature ROM, onset labor more than 24 hours fol rupture
Premature rupture of membranes, onset of labor more than 24 hours following rupture
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- supervision of normal pregnancy (Z34.-)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Prem ROM, onset labor > 24 hr fol rupt, unsp weeks of gestC2909017
- Premature ROM, onset labor more than 24 hours fol ruptureC2909017
- Premature rupture of membranes, onset of labor more than 24 hours following ruptureC2909017
- Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestationC2909017
Frequently Asked Questions
What is ICD-10 code O42.1?
ICD-10-CM code O42.1 represents "Premature rupture of membranes, onset of labor more than 24 hours following rupture". It is a non-billable header code — use a more specific child code for billing purposes.
Is O42.1 a billable code?
No, O42.1 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under O42.1.
What chapter is O42.1 in?
O42.1 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O42.1?
O42.1 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O42.1?
O42.1 has 3 child codes, including: O42.10 (Prem ROM, onset labor > 24 hr fol rupt, unsp weeks of gest), O42.11 (Preterm premature ROM, onset labor > 24 hours fol rupture), O42.12 (Full-term premature ROM, onset labor > 24 hours fol rupture).
Are additional codes required with O42.1?
Yes, when using O42.1 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O42.1?
O42.1 is linked to 1 UMLS Concept Unique Identifier: C2909017. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.