ICD-10-CM > O00-O9A > O30-O48 > O36 > O36.0 > O36.09 > O36.093 O36.093 Maternal care for other rhesus isoimmunization, third trimester Non-Billable/Non-Specific Codes O36.0930..., not applicable or unspecifiedO36.0931..., fetus 1O36.0932..., fetus 2O36.0933..., fetus 3O36.0934..., fetus 4O36.0935..., fetus 5O36.0939..., other fetus