O60.1: Preterm labor with preterm delivery sevenChrNote One of the following 7th characters is to be assigned to each code under subcategory O60.1. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from subcategory O60.1 that has a 7th character of 1 through 9. sevenChrDef 0: not applicable or unspecified 1: fetus 1 2: fetus 2 3: fetus 3 4: fetus 4 5: fetus 5 9: other fetus |
| O60.10: Preterm labor with preterm delivery, unspecified trimester |
| O60.12: Preterm labor second trimester with preterm delivery second trimester |
| O60.13: Preterm labor second trimester with preterm delivery third trimester |
| O60.14: Preterm labor third trimester with preterm delivery third trimester |