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11 Malnutrition in pregnancy, first trimester
- O25.12 Malnutrition in pregnancy, second trimester
- O25.13 Malnutrition in pregnancy, third trimester
- O25.2 Malnutrition in childbirth
- O25.3 Malnutrition in the puerperium
O26 Maternal care for other conditions predominantly related to pregnancy
- O26.0 Excessive weight gain in pregnancy
- Excludes2: gestational edema (O12.0, O12.2)
- O26.00 Excessive weight gain in pregnancy, unspecified trimester
- O26.01 Excessive weight gain in pregnancy, first trimester
- O26.02 Excessive weight gain in pregnancy, second trimester
- O26.03 Excessive weight gain in pregnancy, third trimester
- O26.1 Low weight gain in pregnancy
- O26.10 Low weight gain in pregnancy, unspecified trimester
- O26.11 Low weight gain in pregnancy, first trimester
- O26.12 Low weight gain in pregnancy, second trimester
- O26.13 Low weight gain in pregnancy, third trimester
- O26.2 Pregnancy care of habitual aborter
- O26.20 Pregnancy care of habitual aborter, unspecified trimester
- O26.21 Pregnancy care of habitual aborter, first trimester
- O26.22 Pregnancy care of habitual aborter, second trimester
- O26.23 Pregnancy care of habitual aborter, third trimester
- O26.3 Retained intrauterine contraceptive device in pregnancy
- O26.30 Retained intrauterine contraceptive device in pregnancy, unspecified trimester
- O26.31 Retained intrauterine contraceptive device in pregnancy, first trimester
- O26.32 Retained intrauterine contraceptive device in pregnancy, second trimester
- O26.33 Retained intrauterine contraceptive device in pregnancy, third trimester
- O26.4 Herpes gestationis
- O26.40 Herpes gestationis, unspecified trimester
- O26.41 Herpes gestationis, first trimester
- O26.42 Herpes gestationis, second trimester
- O26.43 Herpes gestationis, third trimester
- O26.5 Maternal hypotension syndrome
- Supine hypotensive syndrome
- O26.50 Maternal hypotension syndrome, unspecified trimester
- O26.51 Maternal hypotension syndrome, first trimester
- O26.52 Maternal hypotension syndrome, second trimester
- O26.53 Maternal hypotension syndrome, third trimester
- O26.