NEOPLASMS OF UNCERTAIN BEHAVIOR (235-238)
Note:
Categories 235-238 classify by site certain histo-morphologically well-defined neoplasms, the subsequent behavior of which cannot be predicted from the present appearance.
238 Neoplasm of uncertain behavior of other and unspecified sites and tissues
238.0: Bone and articular cartilage
Excludes:
cartilage:
ear (238.1)
eyelid (238.1)
larynx (235.6)
nose (235.9)
synovia (238.1)
238.1: Connective and other soft tissue
Peripheral, sympathetic, and parasympathetic nerves and ganglia
Stromal tumors of digestive system
Excludes:
cartilage (of):
articular (238.0)
larynx (235.6)
nose (235.9)
connective tissue of breast (238.3)
238.2: Skin
Excludes:
anus NOS (235.5)
skin of genital organs (236.3, 236.6)
vermilion border of lip (235.1)
238.3: Breast
Excludes:
skin of breast (238.2)
238.4: Polycythemia vera
238.5: Histiocytic and mast cells
Mast cell tumor NOS
Mastocytoma NOS
238.6: Plasma cells
Plasmacytoma NOS
Solitary myeloma
238.7: Other lymphatic and hematopoietic tissues
Excludes:
acute myelogenous leukemia (205.0)
chronic myelomonocytic leukemia (205.1)
myelosclerosis NOS (289.89)
myelosis:
NOS (205.9)
megakaryocytic (207.2)
238.8: Other specified sites
Eye
Heart
Excludes:
eyelid (skin) (238.2)
cartilage (238.1)
238.9: Site unspecified
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