ICD-10-CM > O00-O9A > O30-O48 > O35 > O35.C O35.C Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies Non-Billable/Non-Specific Codes O35.CXX0..., not applicable or unspecifiedO35.CXX1..., fetus 1O35.CXX2..., fetus 2O35.CXX3..., fetus 3O35.CXX4..., fetus 4O35.CXX5..., fetus 5O35.CXX9..., other fetus