Page:ICD-10-CM (2010).djvu/1018

 021 Conjoined twins, first trimester
 * O30.022 Conjoined twins, second trimester
 * O30.023 Conjoined twins, third trimester
 * O30.029 Conjoined twins, unspecified trimester
 * O30.09 Other twin pregnancy
 * O30.091 Other twin pregnancy, first trimester
 * O30.092 Other twin pregnancy, second trimester
 * O30.093 Other twin pregnancy, third trimester
 * O30.099 Other twin pregnancy, unspecified trimester
 * O30.1 Triplet pregnancy
 * O30.10 Triplet pregnancy, unspecified trimester
 * O30.11 Triplet pregnancy, first trimester
 * O30.12 Triplet pregnancy, second trimester
 * O30.13 Triplet pregnancy, third trimester
 * O30.2 Quadruplet pregnancy
 * O30.20 Quadruplet pregnancy, unspecified trimester
 * O30.21 Quadruplet pregnancy, first trimester
 * O30.22 Quadruplet pregnancy, second trimester
 * O30.23 Quadruplet pregnancy, third trimester
 * O30.8 Other multiple gestation
 * O30.80 Other multiple gestation, unspecified trimester
 * O30.81 Other multiple gestation, first trimester
 * O30.82 Other multiple gestation, second trimester
 * O30.83 Other multiple gestation, third trimester
 * O30.9 Multiple gestation, unspecified
 * Multiple pregnancy NOS
 * O30.90 Multiple gestation, unspecified, unspecified trimester
 * O30.91 Multiple gestation, unspecified, first trimester
 * O30.92 Multiple gestation, unspecified, second trimester
 * O30.93 Multiple gestation, unspecified, third trimester

O31 Complications specific to multiple gestation

 * Excludes2: delayed delivery of second twin, triplet, etc. (O63.2)
 * malpresentation of one fetus or more (O32.5)
 * 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