ICD-10-CM > O00-O9A > O60-O77 > O60 > O60.2 > O60.22 O60.22 Term delivery with preterm labor, second trimester Non-Billable/Non-Specific Codes O60.22X0..., not applicable or unspecifiedO60.22X1..., fetus 1O60.22X2..., fetus 2O60.22X3..., fetus 3O60.22X4..., fetus 4O60.22X5..., fetus 5O60.22X9..., other fetus