ICD-10-CM > O00-O9A > O60-O77 > O60 > O60.1 > O60.14 O60.14 Preterm labor third trimester with preterm delivery third trimester Non-Billable/Non-Specific Codes O60.14X0..., not applicable or unspecifiedO60.14X1..., fetus 1O60.14X2..., fetus 2O60.14X3..., fetus 3O60.14X4..., fetus 4O60.14X5..., fetus 5O60.14X9..., other fetus