2026 ICD-10-CM Diagnosis Code C96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

ICD-10-CM Codes›C00–D49›C81-C96›C96

ICD-10-CM C96
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

C96 is a non-billable ICD-10-CM category code for other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C96.0, C96.20, C96.21, and C96.22.

Code Identity

ICD-10-CM Code
C96
Billable Status
No — Non-Billable Category
Code Describes
Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
Chapter
C81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue

Code Classification

ChapterC00–D49Neoplasms
SectionC81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue
CategoryC96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue
This CodeC96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

Specific Coding for Oth & unsp malig neoplm of lymphoid, hematpoetc and rel tissOverview

Non-specific codes like C96 require more characters. Use one of these billable codes instead:

  • Use C96.0 for Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis

  • C96.2 for Malignant mast cell neoplasm

  • Use C96.20 for Malignant mast cell neoplasm, unspecified

  • Use C96.21 for Aggressive systemic mastocytosis

  • Use C96.22 for Mast cell sarcoma

  • Use C96.29 for Other malignant mast cell neoplasm

  • Use C96.4 for Sarcoma of dendritic cells (accessory cells)

  • Use C96.5 for Multifocal and unisystemic Langerhans-cell histiocytosis

  • Use C96.6 for Unifocal Langerhans-cell histiocytosis

  • Use C96.9 for Malignant neoplasm of lymphoid, hematopoietic and related tissue, unspecified

  • Use C96.A for Histiocytic sarcoma

  • Use C96.Z for Other specified malignant neoplasms of lymphoid, hematopoietic and related tissue

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

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

Patient EducationClinical

Leukemia

Leukemia is a term for cancers of the blood cells. Leukemia starts in blood-forming tissues such as the bone marrow. Your bone marrow makes the cells which will develop into white blood cells, red blood cells, and platelets. Each type of cell has a different job:

The full article covers:

  • What is leukemia?
  • What are the types of leukemia?
  • What causes leukemia?
  • Who is at risk for leukemia?
  • What are the symptoms of leukemia?
  • How is leukemia diagnosed?
  • What are the treatments for leukemia?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About C96Overview

Is C96 a billable code?

No. This is a category header that groups the codes for other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue, and headers cannot be submitted on claims. Claims for other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue need a more specific code from this category, such as C96.0, C96.20, and C96.21.