ICD-10-CM > O00-O9A > O30-O48 > O35 > O35.D O35.D Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies Non-Billable/Non-Specific Codes O35.DXX0..., not applicable or unspecifiedO35.DXX1..., fetus 1O35.DXX2..., fetus 2O35.DXX3..., fetus 3O35.DXX4..., fetus 4O35.DXX5..., fetus 5O35.DXX9..., other fetus