ICD-10-CM code "C96.21": Aggressive systemic mastocytosis (2024)

Overview

ICD-10 CodeC96.21
DescriptionAggressive systemic mastocytosis
Hierarchy
  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
  3. Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue (C96)
  4. Malignant mast cell neoplasm (C96.2)
  5. Aggressive systemic mastocytosis (C96.21)
Billable statusICD-10-CM Billable code

Excludes

  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

    Type 2Kaposi's sarcoma of lymph nodes (C46.3)

    Type 2secondary and unspecified neoplasm of lymph nodes (C77.-)

    Type 2secondary neoplasm of bone marrow (C79.52)

    Type 2secondary neoplasm of spleen (C78.89)

  3. Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue (C96)

    Type 1personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

  4. Malignant mast cell neoplasm (C96.2)

    Type 1indolent mastocytosis (D47.02)

    Type 1mast cell leukemia (C94.30)

    Type 1mastocytosis (congenital) (cutaneous) (Q82.2)

  5. Aggressive systemic mastocytosis (C96.21)

Includes

  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
  3. Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue (C96)
  4. Malignant mast cell neoplasm (C96.2)
  5. Aggressive systemic mastocytosis (C96.21)