Specific code 2014 ICD-9-CM Diagnosis Code 238.6
Neoplasm of uncertain behavior of plasma cells
  • Billable Code
  • Short description: Plasmacytoma NOS.
  • ICD-9-CM 238.6 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 238.6 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Monoclonal gammopathy of uncertain significance
  • Multiple solitary plasmacytomas
  • Plasma cell myeloma/plasmacytoma
  • Plasma cell neoplasm
  • Plasmacytoma
  • Primary cutaneous plasmacytoma
  • Solitary osseous myeloma
Clinical Information
  • (plas-ma-sye-toe-ma) cancer of the plasma cells (white blood cells that produce antibodies) that may turn into multiple myeloma.
  • A malignant (clonal) proliferation of plasma cells that are cytologically and immunophenotypically identical to those of plasma cell myeloma, but manifest a localized osseous or extraosseous growth pattern. (who, 2001)
  • A single focus of clonal (malignant) plasma cells either in the bone or in another anatomic site without peripheral blood involvement.
Applies To
  • Plasmacytoma NOS
  • Solitary myeloma
Convert to ICD-10-CM: 238.6 converts approximately to:
  • 2014 ICD-10-CM D47.Z9 Other specified neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
ICD-9-CM Volume 2 Index entries containing back-references to 238.6:
  • Myeloma (multiple) (plasma cell) (plasmacytic) (M9730/3) 203.0
    • monostotic (M9731/1) 238.6
    • solitary (M9731/1) 238.6
  • Plasmacytoma, plasmocytoma (solitary) (M9731/1) 238.6
    • benign (M9731/0) - see Neoplasm, by site, benign
    • malignant (M9731/3) 203.8
  • Tumor (M8000/1) - see also Neoplasm, by site, unspecified nature
    • plasma cell (M9731/1) 238.6
      • benign (M9731/0) - see Neoplasm, by site, benign
      • malignant (M9731/3) 203.8
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 238.6 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.