OMIM Phenotype&GeneSymbol  

  Chapter.21   Factors influencing health status and contact with health services (Z00-Z99)
  Z40-Z54   Persons encountering health services for specific procedures and health care
    Z40   Prophylactic surgery ( Search )
    • Z400   Prophylactic surgery for risk-factors related to malignant neoplasms ( Search )
    • Z408   Other prophylactic surgery ( Search )
    • Z409   "Prophylactic surgery, unspecified" ( Search )
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