| O9842 | Viral hepatitis complicating childbirth |
| O9843 | Viral hepatitis complicating the puerperium |
| O98511 | Other viral diseases complicating pregnancy, first trimester |
| O98512 | Other viral diseases complicating pregnancy, second trimester |
| O98513 | Other viral diseases complicating pregnancy, third trimester |
| O98519 | Other viral diseases complicating pregnancy, unspecified trimester |
| O9852 | Other viral diseases complicating childbirth |
| O9853 | Other viral diseases complicating the puerperium |
| 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 |
| 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 immunodeficiency virus [HIV] disease complicating pregnancy, unspecified trimester |
| O9872 | Human immunodeficiency virus [HIV] disease complicating childbirth |
| O9873 | Human immunodeficiency virus [HIV] disease complicating the puerperium |
| 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 |
| 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 |
| 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 |
| O99111 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester |
| O99112 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester |
| O99113 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester |
| O99119 | 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 |
| O9913 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium |
| O99210 | Obesity complicating pregnancy, unspecified trimester |
| O99211 | Obesity complicating pregnancy, first trimester |
| O99212 | Obesity complicating pregnancy, second trimester |
| O99213 | Obesity complicating pregnancy, third trimester |
| O99214 | Obesity complicating childbirth |
| O99215 | Obesity complicating the puerperium |
| O99280 | Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester |
| O99281 | Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester |
| O99282 | Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester |
| O99283 | Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester |
| O99284 | Endocrine, nutritional and metabolic diseases complicating childbirth |
| O99285 | Endocrine, nutritional and metabolic diseases complicating the puerperium |
| O99310 | Alcohol use complicating pregnancy, unspecified trimester |
| O99311 | Alcohol use complicating pregnancy, first trimester |
| O99312 | Alcohol use complicating pregnancy, second trimester |
| O99313 | Alcohol use complicating pregnancy, third trimester |
| O99314 | Alcohol use complicating childbirth |
| O99315 | Alcohol use complicating the puerperium |
| O99320 | Drug use complicating pregnancy, unspecified trimester |
| O99321 | Drug use complicating pregnancy, first trimester |
| O99322 | Drug use complicating pregnancy, second trimester |
| O99323 | Drug use complicating pregnancy, third trimester |
| O99324 | Drug use complicating childbirth |
| O99325 | Drug use complicating the puerperium |
| O99330 | Smoking (tobacco) complicating pregnancy, unspecified trimester |
| O99331 | Smoking (tobacco) complicating pregnancy, first trimester |
| O99332 | Smoking (tobacco) complicating pregnancy, second trimester |
| O99333 | Smoking (tobacco) complicating pregnancy, third trimester |
| O99334 | Smoking (tobacco) complicating childbirth |
| O99335 | Smoking (tobacco) complicating the puerperium |
| O99340 | Other mental disorders complicating pregnancy, unspecified trimester |
| O99341 | Other mental disorders complicating pregnancy, first trimester |
| O99342 | Other mental disorders complicating pregnancy, second trimester |
| O99343 | Other mental disorders complicating pregnancy, third trimester |
| O99344 | Other mental disorders complicating childbirth |
| O99345 | Other mental disorders complicating the puerperium |
| O99350 | Diseases of the nervous system complicating pregnancy, unspecified trimester |
| O99351 | Diseases of the nervous system complicating pregnancy, first trimester |
| O99352 | Diseases of the nervous system complicating pregnancy, second trimester |
| O99353 | Diseases of the nervous system complicating pregnancy, third trimester |
| O99354 | Diseases of the nervous system complicating childbirth |
| O99355 | Diseases of the nervous system complicating the puerperium |
| O99411 | Diseases of the circulatory system complicating pregnancy, first trimester |
| O99412 | Diseases of the circulatory system complicating pregnancy, second trimester |
| O99413 | Diseases of the circulatory system complicating pregnancy, third trimester |
| O99419 | Diseases of the circulatory system complicating pregnancy, unspecified trimester |
| O9942 | Diseases of the circulatory system complicating childbirth |
| O9943 | Diseases of the circulatory system complicating the puerperium |
| O99511 | Diseases of the respiratory system complicating pregnancy, first trimester |
| O99512 | Diseases of the respiratory system complicating pregnancy, second trimester |
| O99513 | Diseases of the respiratory system complicating pregnancy, third trimester |
| O99519 | Diseases of the respiratory system complicating pregnancy, unspecified trimester |
| O9952 | Diseases of the respiratory system complicating childbirth |
| O9953 | Diseases of the respiratory system complicating the puerperium |
| O99611 | Diseases of the digestive system complicating pregnancy, first trimester |
| O99612 | Diseases of the digestive system complicating pregnancy, second trimester |
| O99613 | Diseases of the digestive system complicating pregnancy, third trimester |
| O99619 | Diseases of the digestive system complicating pregnancy, unspecified trimester |
| O9962 | Diseases of the digestive system complicating childbirth |
| O9963 | Diseases of the digestive system complicating the puerperium |
| O99711 | Diseases of the skin and subcutaneous tissue complicating pregnancy, first trimester |
| O99712 | Diseases of the skin and subcutaneous tissue complicating pregnancy, second trimester |
| O99713 | Diseases of the skin and subcutaneous tissue complicating pregnancy, third trimester |
| O99719 | Diseases of the skin and subcutaneous tissue complicating pregnancy, unspecified trimester |
| O9972 | Diseases of the skin and subcutaneous tissue complicating childbirth |
| O9973 | Diseases of the skin and subcutaneous tissue complicating the puerperium |
| O99810 | Abnormal glucose complicating pregnancy |
| O99814 | Abnormal glucose complicating childbirth |
| O99815 | Abnormal glucose complicating the puerperium |
| O99820 | Streptococcus B carrier state complicating pregnancy |
| O99824 | Streptococcus B carrier state complicating childbirth |
| O99825 | Streptococcus B carrier state complicating the puerperium |
| O99830 | Other infection carrier state complicating pregnancy |
| O99834 | Other infection carrier state complicating childbirth |
| O99835 | Other infection carrier state complicating the puerperium |
| O99840 | Bariatric surgery status complicating pregnancy, unspecified trimester |
| O99841 | Bariatric surgery status complicating pregnancy, first trimester |
| O99842 | Bariatric surgery status complicating pregnancy, second trimester |
| O99843 | Bariatric surgery status complicating pregnancy, third trimester |
| O99844 | Bariatric surgery status complicating childbirth |
| O99845 | Bariatric surgery status complicating the puerperium |
| O9989 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium |
| O9A111 | Malignant neoplasm complicating pregnancy, first trimester |
| O9A112 | Malignant neoplasm complicating pregnancy, second trimester |
| O9A113 | Malignant neoplasm complicating pregnancy, third trimester |
| O9A119 | Malignant neoplasm complicating pregnancy, unspecified trimester |
| O9A12 | Malignant neoplasm complicating childbirth |
| O9A13 | Malignant neoplasm complicating the puerperium |
| O9A211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester |
| O9A212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester |
| O9A213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester |
| O9A219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester |
| O9A22 | Injury, poisoning and certain other consequences of external causes complicating childbirth |
| O9A23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium |
| O9A311 | Physical abuse complicating pregnancy, first trimester |
| O9A312 | Physical abuse complicating pregnancy, second trimester |
| O9A313 | Physical abuse complicating pregnancy, third trimester |
| O9A319 | Physical abuse complicating pregnancy, unspecified trimester |
| O9A32 | Physical abuse complicating childbirth |
| O9A33 | Physical abuse complicating the puerperium |
| O9A411 | Sexual abuse complicating pregnancy, first trimester |
| O9A412 | Sexual abuse complicating pregnancy, second trimester |
| O9A413 | Sexual abuse complicating pregnancy, third trimester |
| O9A419 | Sexual abuse complicating pregnancy, unspecified trimester |
| O9A42 | Sexual abuse complicating childbirth |
| O9A43 | Sexual abuse complicating the puerperium |
| O9A511 | Psychological abuse complicating pregnancy, first trimester |
| O9A512 | Psychological abuse complicating pregnancy, second trimester |
| O9A513 | Psychological abuse complicating pregnancy, third trimester |
| O9A519 | Psychological abuse complicating pregnancy, unspecified trimester |
| O9A52 | Psychological abuse complicating childbirth |
| O9A53 | Psychological abuse complicating the puerperium |
| Z332 | Encounter for elective termination of pregnancy |
| Z390 | Encounter for care and examination of mother immediately after delivery |
| Z640 | Problems related to unwanted pregnancy |