O60 - Preterm labor
O60.2 - Term delivery with preterm labor
sevenChrNote:
-One of the following 7th characters is to be assigned to each code under subcategoryO60.2. 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 subcategoryO60.2 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
O60.20 - Term delivery with preterm labor, unspecified trimester
O60.22 - Term delivery with preterm labor, second trimester
O60.23 - Term delivery with preterm labor, third trimester