ICD-10-CM > O00-O9A > O30-O48 > O36 > O36.9 > O36.93 O36.93 Maternal care for fetal problem, unspecified, third trimester Non-Billable/Non-Specific Codes O36.93X0..., not applicable or unspecifiedO36.93X1..., fetus 1O36.93X2..., fetus 2O36.93X3..., fetus 3O36.93X4..., fetus 4O36.93X5..., fetus 5O36.93X9..., other fetus