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  2. List of ICD-9 codes 140–239: neoplasms - Wikipedia

    en.wikipedia.org/wiki/List_of_ICD-9_codes_140...

    This is a shortened version of the second chapter of the ICD-9: Neoplasms. It covers ICD codes 140 to 239. The full chapter can be found on pages 101 to 144 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.

  3. List of ICD-9 codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ICD-9_codes

    List of ICD-9 codes 140–239: neoplasms; List of ICD-9 codes 240–279: endocrine, nutritional and metabolic diseases, and immunity disorders; List of ICD-9 codes 280–289: diseases of the blood and blood-forming organs; List of ICD-9 codes 290–319: mental disorders; List of ICD-9 codes 320–389: diseases of the nervous system and sense organs

  4. Brain tumor - Wikipedia

    en.wikipedia.org/wiki/Brain_tumor

    Secondary, or metastatic, brain tumors are about four times as common as primary brain tumors, [2] [10] with about half of metastases coming from lung cancer. [2] Primary brain tumors occur in around 250,000 people a year globally, and make up less than 2% of cancers. [ 3 ]

  5. Brain metastasis - Wikipedia

    en.wikipedia.org/wiki/Brain_metastasis

    A brain metastasis is a cancer that has metastasized ... The diagnosis of brain metastases typically follows a diagnosis of a primary cancer. ... Code of Conduct;

  6. List of ICD-9 codes 290–319: mental disorders - Wikipedia

    en.wikipedia.org/wiki/List_of_ICD-9_codes_290...

    The DSM-5 (2013), the current version, also features ICD-9-CM codes, listing them alongside the codes of Chapter V of the ICD-10-CM. On 1 October 2015, the United States health care system officially switched from the ICD-9-CM to the ICD-10-CM. [1] [2] The DSM is the authoritative reference work in diagnosing mental disorders in the world.

  7. The International Classification of Diseases for Oncology (ICD-O) is a domain-specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases.

  8. CNS metastasis - Wikipedia

    en.wikipedia.org/wiki/CNS_metastasis

    Clinically, CNS metastasis is known to cause haemorrhage or obstruction in the cranial portion of the CNS leading to hydrocephalus. [9] Additionally, metastatic lesions are usually discrete within the brain and appear as spherical masses that displace the brain parenchyma rather than invading the tissues. [10]

  9. Neuro-oncology - Wikipedia

    en.wikipedia.org/wiki/Neuro-oncology

    Brain metastasis can be single or multiple and involve any portion of the brain. Metastasis to dural structures generally occurs by hematogenous spread or direct invasion from a contiguous bone. Dural metastases can invade the underlying brain and cause focal edema and associated neurologic symptoms. These processes tend to cause seizures early ...