ICD-10-CM > O00-O9A > O30-O48 > O36 > O36.7 > O36.70 O36.70 Maternal care for viable fetus in abdominal pregnancy, unspecified trimester Non-Billable/Non-Specific Codes O36.70X0..., not applicable or unspecifiedO36.70X1..., fetus 1O36.70X2..., fetus 2O36.70X3..., fetus 3O36.70X4..., fetus 4O36.70X5..., fetus 5O36.70X9..., other fetus