| O9852 | Other viral diseases complicating childbirth |
| O9853 | Other viral diseases complicating the puerperium |
| O986 | Protozoal diseases complicating pregnancy, childbirth and the puerperium |
| O9861 | Protozoal diseases complicating pregnancy |
| O98611 | Protozoal diseases complicating pregnancy, first trimester |
| O98612 | Protozoal diseases complicating pregnancy, second trimester |
| O98613 | Protozoal diseases complicating pregnancy, third trimester |
| O98619 | Protozoal diseases complicating pregnancy, unspecified trimester |
| O9862 | Protozoal diseases complicating childbirth |
| O9863 | Protozoal diseases complicating the puerperium |
| O987 | Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium |
| O9871 | Human immunodeficiency virus [HIV] disease complicating pregnancy |
| O98711 | Human immunodeficiency virus [HIV] disease complicating pregnancy, first trimester |
| O98712 | Human immunodeficiency virus [HIV] disease complicating pregnancy, second trimester |
| O98713 | Human immunodeficiency virus [HIV] disease complicating pregnancy, third trimester |
| O98719 | Human immunodef virus disease comp pregnancy, unsp trimester Human immunodeficiency virus [HIV] disease complicating pregnancy, unspecified trimester |
| O9872 | Human immunodeficiency virus disease complicating childbirth Human immunodeficiency virus [HIV] disease complicating childbirth |
| O9873 | Human immunodeficiency virus [HIV] disease complicating the puerperium |
| O988 | Other maternal infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium |
| O9881 | Other maternal infectious and parasitic diseases complicating pregnancy |
| O98811 | Other maternal infectious and parasitic diseases complicating pregnancy, first trimester |
| O98812 | Other maternal infectious and parasitic diseases complicating pregnancy, second trimester |
| O98813 | Other maternal infectious and parasitic diseases complicating pregnancy, third trimester |
| O98819 | Other maternal infectious and parasitic diseases complicating pregnancy, unspecified trimester |
| O9882 | Other maternal infectious and parasitic diseases complicating childbirth |
| O9883 | Other maternal infectious and parasitic diseases complicating the puerperium |
| O989 | Unspecified maternal infectious and parasitic disease complicating pregnancy, childbirth and the puerperium |
| O9891 | Unspecified maternal infectious and parasitic disease complicating pregnancy |
| O98911 | Unspecified maternal infectious and parasitic disease complicating pregnancy, first trimester |
| O98912 | Unspecified maternal infectious and parasitic disease complicating pregnancy, second trimester |
| O98913 | Unspecified maternal infectious and parasitic disease complicating pregnancy, third trimester |
| O98919 | Unspecified maternal infectious and parasitic disease complicating pregnancy, unspecified trimester |
| O9892 | Unspecified maternal infectious and parasitic disease complicating childbirth |
| O9893 | Unspecified maternal infectious and parasitic disease complicating the puerperium |
| O99 | Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium |
| O990 | Anemia complicating pregnancy, childbirth and the puerperium Anemia complicating pregnancy, childbirth and the puerperium |
| O9901 | Anemia complicating pregnancy |
| O99011 | Anemia complicating pregnancy, first trimester |
| O99012 | Anemia complicating pregnancy, second trimester |
| O99013 | Anemia complicating pregnancy, third trimester |
| O99019 | Anemia complicating pregnancy, unspecified trimester |
| O9902 | Anemia complicating childbirth |
| O9903 | Anemia complicating the puerperium |
| O991 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium |
| O9911 | Oth diseases of the bld/bld-form org/immun mechnsm comp preg Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy |
| O99111 | Oth dis of bld/bld-form org/immun mechnsm comp preg, 1st tri Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester |
| O99112 | Oth dis of bld/bld-form org/immun mechnsm comp preg, 2nd tri Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester |
| O99113 | Oth dis of bld/bld-form org/immun mechnsm comp preg, 3rd tri Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester |
| O99119 | Oth dis of bld/bld-form org/immun mechnsm comp preg,unsp tri Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester |
| O9912 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth |