2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Lymphatic And Hematopoietic Tissue 200-208 > Other Malignant Neoplasms Of Lymphoid And Histiocytic Tissue 202.* >
 2007 ICD-9-CM Diagnosis 202.6
Malignant mast cell tumors 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 Therefore, this code may be out of date.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 202.6 can be accessed here. - A group of disorders caused by the abnormal proliferation of MAST CELLS in a variety of extracutaneous tissues including bone marrow, liver, spleen, lymph nodes, and gastrointestinal tract. Systemic mastocytosis is commonly seen in adults. These diseases are categorized on the basis of clinical features, pathologic findings, and prognosis.
- A rare entity characterized by localized but destructive growth of a tumor consisting of highly atypical, immature mast cells.(WHO, 2001) -- 2003
- A unifocal malignant tumor that consists of atypical pathological MAST CELLS without systemic involvement. It causes local destructive growth in organs other than in skin or bone marrow.
- A variant of mastocytosis characterized by multifocal, dense infiltrates of mast cells (15 or more mast cells in aggregates) detected in the bone marrow and/or other extracutaneous sites. (WHO, 2001) -- 2003
- 202.6 is a non-specific code that cannot be used to specify a diagnosis
- 202.6 contains 10 index entries
- View the ICD-9-CM Volume 1 202.* hierarchy
202.6 also known as:- Malignant:
- Mast cell sarcoma
- Systemic tissue mast cell disease
202.6 excludes: - mast cell leukemia (207.8)
Index entries containing 202.6:- Disease, diseased - see also Syndrome
- mast cell 757.33
- systemic (M9741/3)
 202.6
- systemic tissue mast cell (M9741/3) 202.6
Mast cell- disease 757.33
- systemic (M9741/3) 202.6
- sarcoma (M9742/3) 202.6
- tumor (M9740/1) 238.5
- malignant (M9740/3) 202.6
Mastocytoma (M9740/1) 238.5- malignant (M9740/3) 202.6
Mastocytosis 757.33- malignant (M9741/3) 202.6
- systemic (M9741/3) 202.6
Sarcoma (M8800/3) - see also Neoplasm, connective tissue, malignant- mast cell (M9740/3) 202.6
Tumor (M8000/1) - see also Neoplasm, by site, unspecified nature- mast cell (M9740/1) 238.5
- malignant (M9740/3) 202.6
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