O36.19 - Maternal care for other isoimmunization O36.1 - Maternal care for other isoimmunization O36.19 - Maternal care for other isoimmunization O36.191 - Maternal care for other isoimmunization, first trimester O36.192 - Maternal care for other isoimmunization, second trimester O36.193 - Maternal care for other isoimmunization, third trimester O36.199 - Maternal care for other isoimmunization, unspecified trimester