| ICD-10 Code | Description |
| 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 |
| O99.320 | 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 |
| O99.330 | 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 |
| O99.340 | 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 |
| O99.350 | 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 |
