O41.121
Billable codeChorioamnionitis, first trimester
The ICD-10 code for chorioamnionitis, first trimester is O41.121.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- O41.122Chorioamnionitis, second trimester
- O41.123Chorioamnionitis, third trimester
- O41.129Chorioamnionitis, unspecified trimester
- O41.121Chorioamnionitis, first trimester