| ICD Code | Description |
|---|---|
| O990 | Anemia complicating pregnancy, childbirth and 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 |
| O992 | Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium |
| O993 | Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium |
| O994 | Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium |
| O995 | Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium |
| O996 | Diseases of the digestive system complicating pregnancy, childbirth and the puerperium |
| O997 | Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium |
| O998 | Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium |