O26.0 Excessive weight gain in pregnancyNon-billable header with 4 child codes.
O26.00 Excessive weight gain in pregnancy, unspecified trimesterO26.01 Excessive weight gain in pregnancy, first trimesterO26.02 Excessive weight gain in pregnancy, second trimesterO26.03 Excessive weight gain in pregnancy, third trimesterR63.5 Abnormal weight gain ("excessive weight gain in pregnancy (O26.0-)")Z03.7 Encounter for suspected maternal and fetal conditions ruled out ("known or suspected fetal anomalies affecting management of mother, not ruled out (O26.-, O35.-, O36.-, O40.-, O41.-)")O26 Maternal care for other conditions predominantly related to pregnancyO26.0 Excessive weight gain in pregnancy (this code)O26.00 Excessive weight gain in pregnancy, unspecified trimesterO26.01 Excessive weight gain in pregnancy, first trimesterO26.02 Excessive weight gain in pregnancy, second trimesterO26.03 Excessive weight gain in pregnancy, third trimesterO26.1 Low weight gain in pregnancy