O31.8X9 Other complications specific to multiple gestation, unspecified trimesterNon-billable ICD-10-CM code.
O31.8X32 Other complications specific to multiple gestation, third trimester, fetus 2O31.8X33 Other complications specific to multiple gestation, third trimester, fetus 3O31.8X34 Other complications specific to multiple gestation, third trimester, fetus 4O31.8X35 Other complications specific to multiple gestation, third trimester, fetus 5O31.8X39 Other complications specific to multiple gestation, third trimester, other fetusO31.8X9 Other complications specific to multiple gestation, unspecified trimester (this code)O31.8X90 Other complications specific to multiple gestation, unspecified trimester, not applicable or unspecifiedO31.8X91 Other complications specific to multiple gestation, unspecified trimester, fetus 1O31.8X92 Other complications specific to multiple gestation, unspecified trimester, fetus 2O31.8X93 Other complications specific to multiple gestation, unspecified trimester, fetus 3O31.8X94 Other complications specific to multiple gestation, unspecified trimester, fetus 4