O42.9
Non-billablePremature ROM, unsp time betw rupture and onset of labor
Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
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, 7th0 betw rupt & onst labr, unsp weeks of gestC2909023
- Premature ROM, unsp time betw rupture and onset of laborC2909023
- Premature rupture of membranes, unspecified as to length of time between rupture and onset of laborC2909023
- Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestationC2909023
Frequently Asked Questions
What is ICD-10 code O42.9?
ICD-10-CM code O42.9 represents "Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor". It is a non-billable header code — use a more specific child code for billing purposes.
Is O42.9 a billable code?
No, O42.9 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 O42.9.
What chapter is O42.9 in?
O42.9 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O42.9?
O42.9 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O42.9?
O42.9 has 3 child codes, including: O42.90 (Prem ROM, 7th0 betw rupt & onst labr, unsp weeks of gest), O42.91 (Preterm prem ROM, unsp time betw rupture and onset labor), O42.92 (Full-term prem ROM, unsp time betw rupture and onset labor).
Are additional codes required with O42.9?
Yes, when using O42.9 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 O42.9?
O42.9 is linked to 1 UMLS Concept Unique Identifier: C2909023. 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.