O31 - Complications specific to multiple gestation
Excludes 2:
-delayed delivery of second twin, triplet, etc. O63.2)
-malpresentation of one fetus or more O32.9)
-placental transfusion syndromes O43.0-)
sevenChrNote:
-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.
sevenChrDef:
0 - not applicable or unspecified
1 - fetus 1
2 - fetus 2
3 - fetus 3
4 - fetus 4
5 - fetus 5
9 - other fetus
O31.0 - Papyraceous fetus
O31.00 - Papyraceous fetus, unspecified trimester
O31.01 - Papyraceous fetus, first trimester
O31.02 - Papyraceous fetus, second trimester
O31.03 - Papyraceous fetus, third trimester
O31.1 - Continuing pregnancy after spontaneous abortion of one fetus or more
O31.10 - Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester
O31.11 - Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester
O31.12 - Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester
O31.13 - Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester
O31.2 - Continuing pregnancy after intrauterine death of one fetus or more
O31.20 - Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimester
O31.21 - Continuing pregnancy after intrauterine death of one fetus or more, first trimester
O31.22 - Continuing pregnancy after intrauterine death of one fetus or more, second trimester
O31.23 - Continuing pregnancy after intrauterine death of one fetus or more, third trimester
O31.3 - Continuing pregnancy after elective fetal reduction of one fetus or more
O31.30 - Continuing pregnancy after elective fetal reduction of one fetus or more, unspecified trimester
O31.31 - Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester
O31.32 - Continuing pregnancy after elective fetal reduction of one fetus or more, second trimester
O31.33 - Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester
O31.8 - Other complications specific to multiple gestation
O31.8X - Other complications specific to multiple gestation
O31.8X1 - Other complications specific to multiple gestation, first trimester
O31.8X2 - Other complications specific to multiple gestation, second trimester
O31.8X3 - Other complications specific to multiple gestation, third trimester
O31.8X9 - Other complications specific to multiple gestation, unspecified trimester