ICD-10-CM code "C91.4": Hairy cell leukemia (2024)

Overview

ICD-10 CodeC91.4
DescriptionHairy cell leukemia
Hierarchy
  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
  3. Lymphoid leukemia (C91)
  4. Hairy cell leukemia (C91.4)
Billable statusNon 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. Lymphoid leukemia (C91)

    Type 1personal history of leukemia (Z85.6)

  4. Hairy cell leukemia (C91.4)

Includes

  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
  3. Lymphoid leukemia (C91)
  4. Hairy cell leukemia (C91.4)

Subcategories