O41.129
Billable codeChorioamnionitis, unspecified trimester
The ICD-10 code for chorioamnionitis, unspecified trimester is O41.129.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- O41.121Chorioamnionitis, first trimester
- O41.122Chorioamnionitis, second trimester
- O41.123Chorioamnionitis, third trimester
- O41.129Chorioamnionitis, unspecified trimester