| O94 | Sequelae of complication of pregnancy, childbirth, and the puerperium |
| O98 | Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium |
| O98.0 | Tuberculosis complicating pregnancy, childbirth and the puerperium |
| O98.01 | Tuberculosis complicating pregnancy |
| O98.011 | Tuberculosis complicating pregnancy, first trimester |
| O98.012 | Tuberculosis complicating pregnancy, second trimester |
| O98.013 | Tuberculosis complicating pregnancy, third trimester |
| O98.019 | Tuberculosis complicating pregnancy, unspecified trimester |
| O98.02 | Tuberculosis complicating childbirth |
| O98.03 | Tuberculosis complicating the puerperium |
| O98.1 | Syphilis complicating pregnancy, childbirth and the puerperium |
| O98.11 | Syphilis complicating pregnancy |
| O98.111 | Syphilis complicating pregnancy, first trimester |
| O98.112 | Syphilis complicating pregnancy, second trimester |
| O98.113 | Syphilis complicating pregnancy, third trimester |
| O98.119 | Syphilis complicating pregnancy, unspecified trimester |
| O98.12 | Syphilis complicating childbirth |
| O98.13 | Syphilis complicating the puerperium |
| O98.2 | Gonorrhea complicating pregnancy, childbirth and the puerperium |
| O98.21 | Gonorrhea complicating pregnancy |
| O98.211 | Gonorrhea complicating pregnancy, first trimester |
| O98.212 | Gonorrhea complicating pregnancy, second trimester |
| O98.213 | Gonorrhea complicating pregnancy, third trimester |
| O98.219 | Gonorrhea complicating pregnancy, unspecified trimester |
| O98.22 | Gonorrhea complicating childbirth |
| O98.23 | Gonorrhea complicating the puerperium |
| O98.3 | Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium |
| O98.31 | Other infections with a predominantly sexual mode of transmission complicating pregnancy |
| O98.311 | Other infections with a predominantly sexual mode of transmission complicating pregnancy, first trimester |
| O98.312 | Other infections with a predominantly sexual mode of transmission complicating pregnancy, second trimester |
| O98.313 | Other infections with a predominantly sexual mode of transmission complicating pregnancy, third trimester |
| O98.319 | Other infections with a predominantly sexual mode of transmission complicating pregnancy, unspecified trimester |
| O98.32 | Other infections with a predominantly sexual mode of transmission complicating childbirth |
| O98.33 | Other infections with a predominantly sexual mode of transmission complicating the puerperium |
| O98.4 | Viral hepatitis complicating pregnancy, childbirth and the puerperium |
| O98.41 | Viral hepatitis complicating pregnancy |
| O98.411 | Viral hepatitis complicating pregnancy, first trimester |
| O98.412 | Viral hepatitis complicating pregnancy, second trimester |
| O98.413 | Viral hepatitis complicating pregnancy, third trimester |
| O98.419 | Viral hepatitis complicating pregnancy, unspecified trimester |
| O98.42 | Viral hepatitis complicating childbirth |
| O98.43 | Viral hepatitis complicating the puerperium |
| O98.5 | Other viral diseases complicating pregnancy, childbirth and the puerperium |
| O98.51 | Other viral diseases complicating pregnancy |
| O98.511 | Other viral diseases complicating pregnancy, first trimester |
| O98.512 | Other viral diseases complicating pregnancy, second trimester |
| O98.513 | Other viral diseases complicating pregnancy, third trimester |
| O98.519 | Other viral diseases complicating pregnancy, unspecified trimester |
| O98.52 | Other viral diseases complicating childbirth |
| O98.53 | Other viral diseases complicating the puerperium |
| O98.6 | Protozoal diseases complicating pregnancy, childbirth and the puerperium |
| O98.61 | Protozoal diseases complicating pregnancy |
| O98.611 | Protozoal diseases complicating pregnancy, first trimester |
| O98.612 | Protozoal diseases complicating pregnancy, second trimester |
| O98.613 | Protozoal diseases complicating pregnancy, third trimester |
| O98.619 | Protozoal diseases complicating pregnancy, unspecified trimester |
| O98.62 | Protozoal diseases complicating childbirth |
| O98.63 | Protozoal diseases complicating the puerperium |
| O98.7 | Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium |
| O98.71 | Human immunodeficiency virus [HIV] disease complicating pregnancy |
| O98.711 | Human immunodeficiency virus [HIV] disease complicating pregnancy, first trimester |
| O98.712 | Human immunodeficiency virus [HIV] disease complicating pregnancy, second trimester |
| O98.713 | Human immunodeficiency virus [HIV] disease complicating pregnancy, third trimester |
| O98.719 | Human immunodeficiency virus [HIV] disease complicating pregnancy, unspecified trimester |
| O98.72 | Human immunodeficiency virus [HIV] disease complicating childbirth |
| O98.73 | Human immunodeficiency virus [HIV] disease complicating the puerperium |
| O98.8 | Other maternal infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium |
| O98.81 | Other maternal infectious and parasitic diseases complicating pregnancy |
| O98.811 | Other maternal infectious and parasitic diseases complicating pregnancy, first trimester |
| O98.812 | Other maternal infectious and parasitic diseases complicating pregnancy, second trimester |
| O98.813 | Other maternal infectious and parasitic diseases complicating pregnancy, third trimester |
| O98.819 | Other maternal infectious and parasitic diseases complicating pregnancy, unspecified trimester |
| O98.82 | Other maternal infectious and parasitic diseases complicating childbirth |
| O98.83 | Other maternal infectious and parasitic diseases complicating the puerperium |
| O98.9 | Unspecified maternal infectious and parasitic disease complicating pregnancy, childbirth and the puerperium |
| O98.91 | Unspecified maternal infectious and parasitic disease complicating pregnancy |
| O98.911 | Unspecified maternal infectious and parasitic disease complicating pregnancy, first trimester |
| O98.912 | Unspecified maternal infectious and parasitic disease complicating pregnancy, second trimester |
| O98.913 | Unspecified maternal infectious and parasitic disease complicating pregnancy, third trimester |
| O98.919 | Unspecified maternal infectious and parasitic disease complicating pregnancy, unspecified trimester |
| O98.92 | Unspecified maternal infectious and parasitic disease complicating childbirth |
| O98.93 | Unspecified maternal infectious and parasitic disease complicating the puerperium |
| O99 | Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium |
| O99.0 | Anemia complicating pregnancy, childbirth and the puerperium |
| O99.01 | Anemia complicating pregnancy |
| O99.011 | Anemia complicating pregnancy, first trimester |
| O99.012 | Anemia complicating pregnancy, second trimester |
| O99.013 | Anemia complicating pregnancy, third trimester |
| O99.019 | Anemia complicating pregnancy, unspecified trimester |
| O99.02 | Anemia complicating childbirth |
| O99.03 | Anemia complicating the puerperium |
| O99.1 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium |
| O99.11 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy |
| O99.111 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester |
| O99.112 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, second trimester |
| O99.113 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, third trimester |
| O99.119 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, unspecified trimester |
| O99.12 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth |
| O99.13 | Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium |
| O99.2 | Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium |
| O99.21 | Obesity complicating pregnancy, childbirth, and the puerperium |
| O99.210 | Obesity complicating pregnancy, unspecified trimester |
| O99.211 | Obesity complicating pregnancy, first trimester |
| O99.212 | Obesity complicating pregnancy, second trimester |
| O99.213 | Obesity complicating pregnancy, third trimester |
| O99.214 | Obesity complicating childbirth |
| O99.215 | Obesity complicating the puerperium |
| O99.28 | Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium |
| O99.280 | Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester |
| O99.281 | Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester |
| O99.282 | Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester |
| O99.283 | Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester |
| O99.284 | Endocrine, nutritional and metabolic diseases complicating childbirth |
| O99.285 | Endocrine, nutritional and metabolic diseases complicating the puerperium |
| O99.3 | Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium |
| O99.31 | Alcohol use complicating pregnancy, childbirth, and the puerperium |
| O99.310 | Alcohol use complicating pregnancy, unspecified trimester |
| O99.311 | Alcohol use complicating pregnancy, first trimester |
| O99.312 | Alcohol use complicating pregnancy, second trimester |
| O99.313 | Alcohol use complicating pregnancy, third trimester |
| O99.314 | Alcohol use complicating childbirth |
| O99.315 | Alcohol use complicating the puerperium |
| O99.32 | Drug use complicating pregnancy, childbirth, and the puerperium |
| O99.320 | Drug use complicating pregnancy, unspecified trimester |
| O99.321 | Drug use complicating pregnancy, first trimester |
| O99.322 | Drug use complicating pregnancy, second trimester |
| O99.323 | Drug use complicating pregnancy, third trimester |
| O99.324 | Drug use complicating childbirth |
| O99.325 | Drug use complicating the puerperium |
| O99.33 | Smoking (tobacco) complicating pregnancy, childbirth, and the puerperium |
| O99.330 | Smoking (tobacco) complicating pregnancy, unspecified trimester |
| O99.331 | Smoking (tobacco) complicating pregnancy, first trimester |
| O99.332 | Smoking (tobacco) complicating pregnancy, second trimester |
| O99.333 | Smoking (tobacco) complicating pregnancy, third trimester |
| O99.334 | Smoking (tobacco) complicating childbirth |
| O99.335 | Smoking (tobacco) complicating the puerperium |
| O99.34 | Other mental disorders complicating pregnancy, childbirth, and the puerperium |
| O99.340 | Other mental disorders complicating pregnancy, unspecified trimester |
| O99.341 | Other mental disorders complicating pregnancy, first trimester |
| O99.342 | Other mental disorders complicating pregnancy, second trimester |
| O99.343 | Other mental disorders complicating pregnancy, third trimester |
| O99.344 | Other mental disorders complicating childbirth |
| O99.345 | Other mental disorders complicating the puerperium |
| O99.35 | Diseases of the nervous system complicating pregnancy, childbirth, and the puerperium |
| O99.350 | Diseases of the nervous system complicating pregnancy, unspecified trimester |
| O99.351 | Diseases of the nervous system complicating pregnancy, first trimester |
| O99.352 | Diseases of the nervous system complicating pregnancy, second trimester |
| O99.353 | Diseases of the nervous system complicating pregnancy, third trimester |
| O99.354 | Diseases of the nervous system complicating childbirth |
| O99.355 | Diseases of the nervous system complicating the puerperium |
| O99.4 | Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium |
| O99.41 | Diseases of the circulatory system complicating pregnancy |
| O99.411 | Diseases of the circulatory system complicating pregnancy, first trimester |
| O99.412 | Diseases of the circulatory system complicating pregnancy, second trimester |
| O99.413 | Diseases of the circulatory system complicating pregnancy, third trimester |
| O99.419 | Diseases of the circulatory system complicating pregnancy, unspecified trimester |
| O99.42 | Diseases of the circulatory system complicating childbirth |
| O99.43 | Diseases of the circulatory system complicating the puerperium |
| O99.5 | Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium |
| O99.51 | Diseases of the respiratory system complicating pregnancy |
| O99.511 | Diseases of the respiratory system complicating pregnancy, first trimester |
| O99.512 | Diseases of the respiratory system complicating pregnancy, second trimester |
| O99.513 | Diseases of the respiratory system complicating pregnancy, third trimester |
| O99.519 | Diseases of the respiratory system complicating pregnancy, unspecified trimester |
| O99.52 | Diseases of the respiratory system complicating childbirth |
| O99.53 | Diseases of the respiratory system complicating the puerperium |
| O99.6 | Diseases of the digestive system complicating pregnancy, childbirth and the puerperium |
| O99.61 | Diseases of the digestive system complicating pregnancy |
| O99.611 | Diseases of the digestive system complicating pregnancy, first trimester |
| O99.612 | Diseases of the digestive system complicating pregnancy, second trimester |
| O99.613 | Diseases of the digestive system complicating pregnancy, third trimester |
| O99.619 | Diseases of the digestive system complicating pregnancy, unspecified trimester |
| O99.62 | Diseases of the digestive system complicating childbirth |
| O99.63 | Diseases of the digestive system complicating the puerperium |
| O99.7 | Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium |
| O99.71 | Diseases of the skin and subcutaneous tissue complicating pregnancy |
| O99.711 | Diseases of the skin and subcutaneous tissue complicating pregnancy, first trimester |
| O99.712 | Diseases of the skin and subcutaneous tissue complicating pregnancy, second trimester |
| O99.713 | Diseases of the skin and subcutaneous tissue complicating pregnancy, third trimester |
| O99.719 | Diseases of the skin and subcutaneous tissue complicating pregnancy, unspecified trimester |
| O99.72 | Diseases of the skin and subcutaneous tissue complicating childbirth |
| O99.73 | Diseases of the skin and subcutaneous tissue complicating the puerperium |
| O99.8 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium |
| O99.81 | Abnormal glucose complicating pregnancy, childbirth and the puerperium |
| O99.810 | Abnormal glucose complicating pregnancy |
| O99.814 | Abnormal glucose complicating childbirth |
| O99.815 | Abnormal glucose complicating the puerperium |
| O99.82 | Streptococcus B carrier state complicating pregnancy, childbirth and the puerperium |
| O99.820 | Streptococcus B carrier state complicating pregnancy |
| O99.824 | Streptococcus B carrier state complicating childbirth |
| O99.825 | Streptococcus B carrier state complicating the puerperium |
| O99.83 | Other infection carrier state complicating pregnancy, childbirth and the puerperium |
| O99.830 | Other infection carrier state complicating pregnancy |
| O99.834 | Other infection carrier state complicating childbirth |
| O99.835 | Other infection carrier state complicating the puerperium |
| O99.84 | Bariatric surgery status complicating pregnancy, childbirth and the puerperium |
| O99.840 | Bariatric surgery status complicating pregnancy, unspecified trimester |
| O99.841 | Bariatric surgery status complicating pregnancy, first trimester |
| O99.842 | Bariatric surgery status complicating pregnancy, second trimester |
| O99.843 | Bariatric surgery status complicating pregnancy, third trimester |
| O99.844 | Bariatric surgery status complicating childbirth |
| O99.845 | Bariatric surgery status complicating the puerperium |
| O99.89 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium |
| O9A | Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium |
| O9A.1 | Malignant neoplasm complicating pregnancy, childbirth and the puerperium |
| O9A.11 | Malignant neoplasm complicating pregnancy |
| O9A.111 | Malignant neoplasm complicating pregnancy, first trimester |
| O9A.112 | Malignant neoplasm complicating pregnancy, second trimester |
| O9A.113 | Malignant neoplasm complicating pregnancy, third trimester |
| O9A.119 | Malignant neoplasm complicating pregnancy, unspecified trimester |
| O9A.12 | Malignant neoplasm complicating childbirth |
| O9A.13 | Malignant neoplasm complicating the puerperium |
| O9A.2 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium |
| O9A.21 | Injury, poisoning and certain other consequences of external causes complicating pregnancy |
| O9A.211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester |
| O9A.212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester |
| O9A.213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester |
| O9A.219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester |
| O9A.22 | Injury, poisoning and certain other consequences of external causes complicating childbirth |
| O9A.23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium |
| O9A.3 | Physical abuse complicating pregnancy, childbirth and the puerperium |
| O9A.31 | Physical abuse complicating pregnancy |
| O9A.311 | Physical abuse complicating pregnancy, first trimester |
| O9A.312 | Physical abuse complicating pregnancy, second trimester |
| O9A.313 | Physical abuse complicating pregnancy, third trimester |
| O9A.319 | Physical abuse complicating pregnancy, unspecified trimester |
| O9A.32 | Physical abuse complicating childbirth |
| O9A.33 | Physical abuse complicating the puerperium |
| O9A.4 | Sexual abuse complicating pregnancy, childbirth and the puerperium |
| O9A.41 | Sexual abuse complicating pregnancy |
| O9A.411 | Sexual abuse complicating pregnancy, first trimester |
| O9A.412 | Sexual abuse complicating pregnancy, second trimester |
| O9A.413 | Sexual abuse complicating pregnancy, third trimester |
| O9A.419 | Sexual abuse complicating pregnancy, unspecified trimester |
| O9A.42 | Sexual abuse complicating childbirth |
| O9A.43 | Sexual abuse complicating the puerperium |
| O9A.5 | Psychological abuse complicating pregnancy, childbirth and the puerperium |
| O9A.51 | Psychological abuse complicating pregnancy |
| O9A.511 | Psychological abuse complicating pregnancy, first trimester |
| O9A.512 | Psychological abuse complicating pregnancy, second trimester |
| O9A.513 | Psychological abuse complicating pregnancy, third trimester |
| O9A.519 | Psychological abuse complicating pregnancy, unspecified trimester |
| O9A.52 | Psychological abuse complicating childbirth |
| O9A.53 | Psychological abuse complicating the puerperium |