ICD-10-CM > O00-O9A > O30-O48 > O36 > O36.0 > O36.01 > O36.019 O36.019 Maternal care for anti-D [Rh] antibodies, unspecified trimester Non-Billable/Non-Specific Codes O36.0190..., not applicable or unspecifiedO36.0191..., fetus 1O36.0192..., fetus 2O36.0193..., fetus 3O36.0194..., fetus 4O36.0195..., fetus 5O36.0199..., other fetus