ICD-9-CM

Excludes:

carcinoma in situ (231.0-231.9)

164 Malignant neoplasm of thymus, heart, and mediastinum
164.0: Thymus Excludes: benign carcinoid tumor of the thymus (209.62) malignant carcinoid tumor of the thymus (209.22)
164.1: Heart Endocardium Epicardium Myocardium Pericardium Excludes: great vessels (171.4)
164.2: Anterior mediastinum
164.3: Posterior mediastinum
164.8: Other Malignant neoplasm of contiguous or overlapping sites of thymus, heart, and mediastinum whose point of origin cannot be determined
164.9: Mediastinum, part unspecified

164 Malignant neoplasm of thymus, heart, and mediastinum

Excludes:

benign carcinoid tumor of the thymus (209.62)

malignant carcinoid tumor of the thymus (209.22)

Endocardium

Epicardium

Myocardium

Pericardium

Excludes:

great vessels (171.4)

Malignant neoplasm of contiguous or overlapping sites of thymus, heart, and mediastinum whose point of origin cannot be determined

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