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2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Respiratory And Intrathoracic Organs 160-165 > Malignant Neoplasm Of Thymus Heart And Mediastinum 164.* >

2008 ICD-9-CM Diagnosis 164.0

Malignant neoplasm of thymus

 On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.

The 2009 version of ICD-9-CM 164.0 can be accessed here.

  • Primary or metastatic malignant neoplasm involving the thymus. This category includes malignant thymomas, thymic lymphomas, primary thymic carcinomas, and metastatic carcinomas from other anatomic sites. --2003
  • 164.0 is a specific code that can be used to specify a diagnosis
  • 164.0 contains 2 index entries
  • View the ICD-9-CM Volume 1 164.* hierarchy


Index entries containing 164.0:

Carcinoma (M8010/3) - see also Neoplasm, by site, malignant
  • thymic (M8580/3) 164.0
Thymoma (benign) (M8580/0) 212.6
  • malignant (M8580/3) 164.0