ICD-10-CM > O00-O9A > O30-O48 > O41 > O41.1 > O41.14 > O41.143 O41.143 Placentitis, third trimester Non-Billable/Non-Specific Codes O41.1430..., not applicable or unspecifiedO41.1431..., fetus 1O41.1432..., fetus 2O41.1433..., fetus 3O41.1434..., fetus 4O41.1435..., fetus 5O41.1439..., other fetus