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 multifocal and unisystemic Langerhans-cell histiocytosis (C96.5)
 * unifocal Langerhans-cell histiocytosis (C96.6)
 * C96.2 Malignant mast cell tumor
 * Aggressive systemic mastocytosis
 * Mast cell sarcoma
 * Excludes1: indolent mastocytosis (D47.0)
 * mast cell leukemia (C94.30)
 * mastocytosis (congenital) (cutaneous) (Q82.2)
 * C96.4 Sarcoma of dendritic cells (accessory cells)
 * Follicular dendritic cell sarcoma
 * Interdigitating dendritic cell sarcoma
 * Langerhans cell sarcoma
 * C96.5 Multifocal and unisystemic Langerhans-cell histiocytosis
 * Hand-Schüller-Christian disease
 * Histiocytosis X, multifocal
 * Excludes1: multifocal and multisysemic (disseminated) Langerhans-cell histiocytosis (C96.0)
 * unifocal Langerhans-cell histiocytosis (C96.6)
 * C96.6 Unifocal Langerhans-cell histiocytosis
 * Eosinophilic granuloma
 * Histiocytosis X, unifocal
 * Histiocytosis X NOS
 * Langerhans-cell histiocytosis NOS
 * Excludes1: multifocal and multisysemic (disseminated) Langerhans-cell histiocytosis (C96.0)
 * multifocal and unisystemic Langerhans-cell histiocytosis (C96.5)
 * C96.a Histiocytic sarcoma
 * Malignant histiocytosis
 * C96.z Other specified malignant neoplasms of lymphoid, hematopoietic and related tissue
 * C96.9 Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified

=In situ neoplasms (D00-D09)=
 * Includes: Bowen's disease
 * erythroplasia
 * grade III intraepithelial neoplasia
 * Queyrat's erythroplasia
 * Use additional morphology codes with behavior code /2

D00 Carcinoma in situ of oral cavity, esophagus and stomach

 * Excludes1: melanoma in situ (D03.-)
 * D00.0 Carcinoma in situ of lip, oral cavity and pharynx
 * Excludes1: