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03 False labor before 37 completed weeks of gestation, third trimester

O47.1 False labor at or after 37 completed weeks of gestation
O47.9 False labor, unspecified

O48 Late pregnancy

O48.0 Post-term pregnancy
Pregnancy over 40 completed weeks to 42 completed weeks gestation
O48.1 Prolonged pregnancy
Pregnancy which has advanced beyond 42 completed weeks gestation

Complications of labor and delivery (O60-O77)

O60 Preterm labor

Includes: onset (spontaneous) of labor before 37 completed weeks of gestation
Excludes1: false labor (O47.0-)
threatened labor NOS (O47.0-)
O60.0 Preterm labor without delivery
O60.00 Preterm labor without delivery, unspecified trimester
O60.02 Preterm labor without delivery, second trimester
O60.03 Preterm labor without delivery, third trimester
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.
0 not applicable or unspecified
1 fetus 1
2 fetus 2
3 fetus 3
4 fetus 4
5 fetus 5
9 other fetus
O60.1 Preterm labor with preterm delivery
O60.10 Preterm labor with preterm delivery, unspecified trimester
Preterm labor with delivery NOS
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