ICD-10-CM > O00-O9A > O30-O48 > O41 > O41.1 > O41.14 > O41.149 O41.149 Placentitis, unspecified trimester Non-Billable/Non-Specific Codes O41.1490..., not applicable or unspecifiedO41.1491..., fetus 1O41.1492..., fetus 2O41.1493..., fetus 3O41.1494..., fetus 4O41.1495..., fetus 5O41.1499..., other fetus