ICD-10-CM > O00-O9A > O30-O48 > O36 > O36.9 > O36.92 O36.92 Maternal care for fetal problem, unspecified, second trimester Non-Billable/Non-Specific Codes O36.92X0..., not applicable or unspecifiedO36.92X1..., fetus 1O36.92X2..., fetus 2O36.92X3..., fetus 3O36.92X4..., fetus 4O36.92X5..., fetus 5O36.92X9..., other fetus