O41.123
Non-billableChorioamnionitis, third trimester
Chorioamnionitis, third trimester
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)
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 (7)
O41.1230Chorioamnionitis, third trimester, not applicable or unsp
O41.1231Chorioamnionitis, third trimester, fetus 1
O41.1232Chorioamnionitis, third trimester, fetus 2
O41.1233Chorioamnionitis, third trimester, fetus 3
O41.1234Chorioamnionitis, third trimester, fetus 4
O41.1235Chorioamnionitis, third trimester, fetus 5
O41.1239Chorioamnionitis, third trimester, other fetus
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for chorioamnionitis, third trimester?
The ICD-10-CM code for chorioamnionitis, third trimester is O41.123. The full clinical description is "Chorioamnionitis, third trimester". O41.123 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code O41.123 mean?
ICD-10-CM code O41.123 represents "Chorioamnionitis, third trimester". It is classified under Chapter 15: Pregnancy, Childbirth and the Puerperium and is a non-billable header code. Use a more specific child code for billing purposes.
Is O41.123 a billable code?
No, O41.123 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under O41.123.
What chapter is O41.123 in?
O41.123 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O41.123?
O41.123 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-); encounter for suspected maternal and fetal conditions ruled out (Z03.7-).
What are the subcategories under O41.123?
O41.123 has 7 child codes, including: O41.1230 (Chorioamnionitis, third trimester, not applicable or unsp), O41.1231 (Chorioamnionitis, third trimester, fetus 1), O41.1232 (Chorioamnionitis, third trimester, fetus 2), O41.1233 (Chorioamnionitis, third trimester, fetus 3), and 3 more.
Are additional codes required with O41.123?
Yes, when using O41.123 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 O41.123?
O41.123 is linked to 1 UMLS Concept Unique Identifier: C2908903. 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.