O94-O99: Other obstetric conditions, not elsewhere classified
O99: Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Subcodes of O99:
- O99.0: Anaemia complicating pregnancy, childbirth and 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
- O99.2: Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium
- O99.3: Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium
- O99.4: Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium
- O99.5: Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium
- O99.6: Diseases of the digestive system complicating pregnancy, childbirth and the puerperium
- O99.7: Diseases of the skin and subcutaneous tissue complicating pregnancy, childbirth and the puerperium
- O99.8: Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium
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