ICD-10-CM C96: Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

ICD-10-CM Diagnosis Code (2025)

Official Description for C96

Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue

Coding Notes & Guidelines for C96

Excludes1: Not Coded Here

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

Excludes1: Not Coded Here
  • adult pulmonary Langerhans cell histiocytosis (J84.82)
  • multifocal and unisystemic Langerhans-cell histiocytosis (C96.5)
  • unifocal Langerhans-cell histiocytosis (C96.6)
Excludes1: Not Coded Here
  • indolent mastocytosis (D47.02)
  • mast cell leukemia (C94.30)
  • mastocytosis (congenital) (cutaneous) (Q82.2)
Excludes1: Not Coded Here
  • multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis (C96.0)
  • unifocal Langerhans-cell histiocytosis (C96.6)
Excludes1: Not Coded Here
  • multifocal and multisysemic (disseminated) Langerhans-cell histiocytosis (C96.0)
  • multifocal and unisystemic Langerhans-cell histiocytosis (C96.5)
Inclusion Terms
  • Histiocytosis X, multisystemic
  • Letterer-Siwe disease
Inclusion Terms
  • Follicular dendritic cell sarcoma
  • Interdigitating dendritic cell sarcoma
  • Langerhans cell sarcoma
Inclusion Terms
  • Hand-Schüller-Christian disease
  • Histiocytosis X, multifocal
Inclusion Terms
  • Eosinophilic granuloma
  • Histiocytosis X, unifocal
  • Histiocytosis X NOS
  • Langerhans-cell histiocytosis NOS
Inclusion Terms

Malignant histiocytosis

Child Codes (More Specific Codes for C96):

About ICD-10-CM Code C96 (Other and unspecified malignant neoplasms of lymphoid)

ICD-10-CM code C96 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C96 became effective on October 1, 2024.

This page provides detailed information about C96 - Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other and unspecified malignant neoplasms of lymphoid related to hematopoietic and related tissue.