C96.21 Aggressive systemic mastocytosis
Billable / valid for submission ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Aggressive systemic mastocytosis | yes |
Related codes in C96
- 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
- C96.20 Malignant mast cell neoplasm, unspecified
- C96.22 Mast cell sarcoma
- C96.29 Other malignant mast cell neoplasm
- C96.4 Sarcoma of dendritic cells (accessory cells)
- C96.5 Multifocal and unisystemic Langerhans-cell histiocytosis
- C96.6 Unifocal Langerhans-cell histiocytosis
- C96.9 Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified
- C96.A Histiocytic sarcoma
- C96.Z Other specified malignant neoplasms of lymphoid, hematopoietic and related tissue