Non-specific code 2014 ICD-9-CM Diagnosis Code 202.3
Malignant histiocytosis
  • Non-Billable Code
  • There are 9 ICD-9-CM codes below 202.3 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
  • A rare, usually progressive disorder comprising an invasive proliferation of neoplastic histiocytes. Many previous cases are now thought to represent anaplastic large-cell lymphoma.
  • An antiquated term referring to cases of systemic non-hodgkin lymphomas which are composed of large, atypical neoplastic lymphoid cells and cases of hemophagocytic syndromes. In the past, cases of anaplastic large cells lymphoma were called malignant histiocytosis.
Applies To
  • Histiocytic medullary reticulosis
  • Malignant:
    • reticuloendotheliosis
    • reticulosis
ICD-9-CM Volume 2 Index entries containing back-references to 202.3:
  • Histiocytosis (acute) (chronic) (subacute) 277.89
    • malignant (M9720/3) 202.3
  • Reticuloendotheliosis
    • malignant (M9720/3) 202.3
  • Reticulosis (skin)
    • histiocytic medullary (M9721/3) 202.3
    • malignant (M9720/3) 202.3
  • Sarcoma (M8800/3) - see also Neoplasm, connective tissue, malignant
    • reticuloendothelial (M9720/3) 202.3
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 202.3 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.