O41.1231 ICD-10-CM Code: Chorioamnionitis, third trimester, fetus 1
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
O41.1231Chorioamnionitis, third trimester, fetus 1
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where O41.1231 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 O41
Other disorders of amniotic fluid and membranes
- 4
Subcategory O41.123
Chorioamnionitis, third trimester
- 5
Code O41.1231
Chorioamnionitis, third trimester, fetus 1
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for O41.1231.
Code first
No “code first” instruction is listed for O41.1231.
Use additional code
No “use additional code” instruction is listed for O41.1231.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for O41.1231.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for O41.1231.
Transparency
Source and release
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.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code O41.1231 mean?
O41.1231 is the FY 2027 U.S. ICD-10-CM code for “Chorioamnionitis, third trimester, fetus 1.”
Is O41.1231 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, O41.1231 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is O41.1231 located in ICD-10-CM?
O41.1231 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 O41, Other disorders of amniotic fluid and membranes and subcategory O41.123, Chorioamnionitis, third trimester.
What coding notes are listed for O41.1231?
No inclusion terms are listed for O41.1231 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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