| O26 | Maternal care for other conditions predominantly related to pregnancy | NON-BILLABLE CODE |
| O26.0 | Excessive weight gain in pregnancy | NON-BILLABLE CODE |
| O26.00 | Excessive weight gain in pregnancy, unspecified trimester | BILLABLE CODE |
| O26.01 | Excessive weight gain in pregnancy, first trimester | BILLABLE CODE |
| O26.02 | Excessive weight gain in pregnancy, second trimester | BILLABLE CODE |
| O26.03 | Excessive weight gain in pregnancy, third trimester | BILLABLE CODE |
| O26.1 | Low weight gain in pregnancy | NON-BILLABLE CODE |
| O26.10 | Low weight gain in pregnancy, unspecified trimester | BILLABLE CODE |
| O26.11 | Low weight gain in pregnancy, first trimester | BILLABLE CODE |
| O26.12 | Low weight gain in pregnancy, second trimester | BILLABLE CODE |
| O26.13 | Low weight gain in pregnancy, third trimester | BILLABLE CODE |
| O26.2 | Pregnancy care for patient with recurrent pregnancy loss | NON-BILLABLE CODE |
| O26.20 | Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester | BILLABLE CODE |
| O26.21 | Pregnancy care for patient with recurrent pregnancy loss, first trimester | BILLABLE CODE |
| O26.22 | Pregnancy care for patient with recurrent pregnancy loss, second trimester | BILLABLE CODE |
| O26.23 | Pregnancy care for patient with recurrent pregnancy loss, third trimester | BILLABLE CODE |
| O26.3 | Retained intrauterine contraceptive device in pregnancy | NON-BILLABLE CODE |
| O26.30 | Retained intrauterine contraceptive device in pregnancy, unspecified trimester | BILLABLE CODE |
| O26.31 | Retained intrauterine contraceptive device in pregnancy, first trimester | BILLABLE CODE |
| O26.32 | Retained intrauterine contraceptive device in pregnancy, second trimester | BILLABLE CODE |
| O26.33 | Retained intrauterine contraceptive device in pregnancy, third trimester | BILLABLE CODE |
| O26.4 | Herpes gestationis | NON-BILLABLE CODE |
| O26.40 | Herpes gestationis, unspecified trimester | BILLABLE CODE |
| O26.41 | Herpes gestationis, first trimester | BILLABLE CODE |
| O26.42 | Herpes gestationis, second trimester | BILLABLE CODE |
| O26.43 | Herpes gestationis, third trimester | BILLABLE CODE |
| O26.5 | Maternal hypotension syndrome | NON-BILLABLE CODE |
| O26.50 | Maternal hypotension syndrome, unspecified trimester | BILLABLE CODE |
| O26.51 | Maternal hypotension syndrome, first trimester | BILLABLE CODE |
| O26.52 | Maternal hypotension syndrome, second trimester | BILLABLE CODE |
| O26.53 | Maternal hypotension syndrome, third trimester | BILLABLE CODE |
| O26.6 | Liver and biliary tract disorders in pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O26.61 | Liver and biliary tract disorders in pregnancy | NON-BILLABLE CODE |
| O26.611 | Liver and biliary tract disorders in pregnancy, first trimester | BILLABLE CODE |
| O26.612 | Liver and biliary tract disorders in pregnancy, second trimester | BILLABLE CODE |
| O26.613 | Liver and biliary tract disorders in pregnancy, third trimester | BILLABLE CODE |
| O26.619 | Liver and biliary tract disorders in pregnancy, unspecified trimester | BILLABLE CODE |
| O26.62 | Liver and biliary tract disorders in childbirth | BILLABLE CODE |
| O26.63 | Liver and biliary tract disorders in the puerperium | BILLABLE CODE |
| O26.64 | Intrahepatic cholestasis of pregnancy | NON-BILLABLE CODE |
| O26.641 | Intrahepatic cholestasis of pregnancy, first trimester | BILLABLE CODE |
| O26.642 | Intrahepatic cholestasis of pregnancy, second trimester | BILLABLE CODE |
| O26.643 | Intrahepatic cholestasis of pregnancy, third trimester | BILLABLE CODE |
| O26.649 | Intrahepatic cholestasis of pregnancy, unspecified trimester | BILLABLE CODE |
| O26.7 | Subluxation of symphysis (pubis) in pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O26.71 | Subluxation of symphysis (pubis) in pregnancy | NON-BILLABLE CODE |
| O26.711 | Subluxation of symphysis (pubis) in pregnancy, first trimester | BILLABLE CODE |
| O26.712 | Subluxation of symphysis (pubis) in pregnancy, second trimester | BILLABLE CODE |
| O26.713 | Subluxation of symphysis (pubis) in pregnancy, third trimester | BILLABLE CODE |
| O26.719 | Subluxation of symphysis (pubis) in pregnancy, unspecified trimester | BILLABLE CODE |
| O26.72 | Subluxation of symphysis (pubis) in childbirth | BILLABLE CODE |
| O26.73 | Subluxation of symphysis (pubis) in the puerperium | BILLABLE CODE |
| O26.8 | Other specified pregnancy related conditions | NON-BILLABLE CODE |
| O26.81 | Pregnancy related exhaustion and fatigue | NON-BILLABLE CODE |
| O26.811 | Pregnancy related exhaustion and fatigue, first trimester | BILLABLE CODE |
| O26.812 | Pregnancy related exhaustion and fatigue, second trimester | BILLABLE CODE |
| O26.813 | Pregnancy related exhaustion and fatigue, third trimester | BILLABLE CODE |
| O26.819 | Pregnancy related exhaustion and fatigue, unspecified trimester | BILLABLE CODE |
| O26.82 | Pregnancy related peripheral neuritis | NON-BILLABLE CODE |
| O26.821 | Pregnancy related peripheral neuritis, first trimester | BILLABLE CODE |
| O26.822 | Pregnancy related peripheral neuritis, second trimester | BILLABLE CODE |
| O26.823 | Pregnancy related peripheral neuritis, third trimester | BILLABLE CODE |
| O26.83 | Pregnancy related renal disease | NON-BILLABLE CODE |
| O26.831 | Pregnancy related renal disease, first trimester | BILLABLE CODE |
| O26.832 | Pregnancy related renal disease, second trimester | BILLABLE CODE |
| O26.833 | Pregnancy related renal disease, third trimester | BILLABLE CODE |
| O26.839 | Pregnancy related renal disease, unspecified trimester | BILLABLE CODE |
| O26.84 | Uterine size-date discrepancy complicating pregnancy | NON-BILLABLE CODE |
| O26.841 | Uterine size-date discrepancy, first trimester | BILLABLE CODE |
| O26.842 | Uterine size-date discrepancy, second trimester | BILLABLE CODE |
| O26.843 | Uterine size-date discrepancy, third trimester | BILLABLE CODE |
| O26.849 | Uterine size-date discrepancy, unspecified trimester | BILLABLE CODE |
| O26.85 | Spotting complicating pregnancy | NON-BILLABLE CODE |
| O26.851 | Spotting complicating pregnancy, first trimester | BILLABLE CODE |
| O26.852 | Spotting complicating pregnancy, second trimester | BILLABLE CODE |
| O26.853 | Spotting complicating pregnancy, third trimester | BILLABLE CODE |
| O26.859 | Spotting complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O26.86 | Pruritic urticarial papules and plaques of pregnancy (PUPPP) | BILLABLE CODE |
| O26.87 | Cervical shortening | NON-BILLABLE CODE |
| O26.872 | Cervical shortening, second trimester | BILLABLE CODE |
| O26.873 | Cervical shortening, third trimester | BILLABLE CODE |
| O26.879 | Cervical shortening, unspecified trimester | BILLABLE CODE |
| O26.89 | Other specified pregnancy related conditions | NON-BILLABLE CODE |
| O26.891 | Other specified pregnancy related conditions, first trimester | BILLABLE CODE |
| O26.892 | Other specified pregnancy related conditions, second trimester | BILLABLE CODE |
| O26.893 | Other specified pregnancy related conditions, third trimester | BILLABLE CODE |
| O26.899 | Other specified pregnancy related conditions, unspecified trimester | BILLABLE CODE |
| O26.9 | Pregnancy related conditions, unspecified | NON-BILLABLE CODE |
| O26.90 | Pregnancy related conditions, unspecified, unspecified trimester | BILLABLE CODE |
| O26.91 | Pregnancy related conditions, unspecified, first trimester | BILLABLE CODE |
| O26.92 | Pregnancy related conditions, unspecified, second trimester | BILLABLE CODE |
| O26.93 | Pregnancy related conditions, unspecified, third trimester | BILLABLE CODE |
