ICD-10-CM > O00-O9A > O30-O48 > O35 > O35.A O35.A Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies Non-Billable/Non-Specific Codes O35.AXX0..., not applicable or unspecifiedO35.AXX1..., fetus 1O35.AXX2..., fetus 2O35.AXX3..., fetus 3O35.AXX4..., fetus 4O35.AXX5..., fetus 5O35.AXX9..., other fetus