ICD-10 code O31 for Complications specific to multiple gestation
Excludes2: delayed delivery of second twin, triplet, etc. (O63.2) malpresentation of one fetus or more (O32.9) placental transfusion syndromes (O43.0-) One of the following 7th characters is to be assigned to each code under category O31. 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 category O31 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
