C96.2 Malignant mast cell neoplasm

Non-billable header with 4 child codes.

Excludes1 (never code together)

• indolent mastocytosis (D47.02)
• mast cell leukemia (C94.30)
• mastocytosis (congenital) (cutaneous) (Q82.2)

Applies from C96 Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

Excludes1 (never code together)

• personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

Codes under C96.2

• C96.20 Malignant mast cell neoplasm, unspecified
• C96.21 Aggressive systemic mastocytosis
• C96.22 Mast cell sarcoma
• C96.29 Other malignant mast cell neoplasm

Code annotations containing back-references to C96.2

Back-references to C96.2

• Type 1 Excludes: D47.0 Mast cell neoplasms of uncertain behavior ("malignant mast cell neoplasm (C96.2-)")
• Type 1 Excludes: D89.4 Mast cell activation syndrome and related disorders ("malignant mast cell neoplasm (C96.2-)")
• Code First: N16 Renal tubulo-interstitial disorders in diseases classified elsewhere ("lymphoma (C81.0-C85.9, C96.0-C96.9)")
• Type 1 Excludes: Q82.2 Congenital cutaneous mastocytosis ("malignant mastocytosis (C96.2-)")

Back-references to C96

• Type 1 Excludes: C76 Malignant neoplasm of other and ill-defined sites ("malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)")
• Type 1 Excludes: C77 Secondary and unspecified malignant neoplasm of lymph nodes ("malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)")
• Code Also: D59.39 Other hemolytic-uremic syndrome ("malignant neoplasm (C00-C96)")
• Code First: D84.81 Immunodeficiency due to conditions classified elsewhere ("malignant neoplasms (C00-C96)")
• Code First: E08 Diabetes mellitus due to underlying condition ("malignant neoplasm (C00-C96)")
• Code First: Z15.0 Genetic susceptibility to malignant neoplasm (", if applicable, any current malignant neoplasm (C00-C75, C81-C96)")

Nearby codes

• C96 Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
• C96.0 Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis
• C96.2 Malignant mast cell neoplasm (this code)
• C96.20 Malignant mast cell neoplasm, unspecified
• C96.21 Aggressive systemic mastocytosis
• C96.22 Mast cell sarcoma
• C96.29 Other malignant mast cell neoplasm
• C96.4 Sarcoma of dendritic cells (accessory cells)