ICD-10-CM > O00-O9A > O30-O48 > O35 > O35.5 O35.5 Maternal care for (suspected) damage to fetus by drugs Non-Billable/Non-Specific Applicable To Maternal care for damage to fetus from drug addiction Codes O35.5XX0..., not applicable or unspecifiedO35.5XX1..., fetus 1O35.5XX2..., fetus 2O35.5XX3..., fetus 3O35.5XX4..., fetus 4O35.5XX5..., fetus 5O35.5XX9..., other fetus