ICD-10 Diagnosis Code C90.31

Solitary plasmacytoma in remission

Diagnosis Code C90.31

ICD-10: C90.31
Short Description: Solitary plasmacytoma in remission
Long Description: Solitary plasmacytoma in remission
This is the 2017 version of the ICD-10-CM diagnosis code C90.31


Code Classification
  • Neoplasms (C00–D48)
    • Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
      • Multiple myeloma and malignant plasma cell neoplasms (C90)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code C90.31 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)

  • LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH MCC 820
  • LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITH CC 821
  • LYMPHOMA AND LEUKEMIA WITH MAJOR O.R. PROCEDURE WITHOUT CC/MCC 822

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The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Information for Patients


Multiple Myeloma

Also called: Plasma-cell myeloma

Multiple myeloma is a cancer that begins in plasma cells, a type of white blood cell. These cells are part of your immune system, which helps protect the body from germs and other harmful substances. In time, myeloma cells collect in the bone marrow and in the solid parts of bones.

No one knows the exact causes of multiple myeloma, but it is more common in older people and African Americans. It can run in families. Common symptoms may include

  • Bone pain, often in the back or ribs
  • Broken bones
  • Weakness or fatigue
  • Weight loss
  • Frequent infections and fevers
  • Feeling very thirsty
  • Frequent urination

Doctors diagnose multiple myeloma using lab tests, imaging tests, and a bone marrow biopsy. Your treatment depends on how advanced the disease is and whether you have symptoms. If you have no symptoms, you may not need treatment right away. If you have symptoms, you may have chemotherapy, stem cell transplantation, radiation, or targeted therapy. Targeted therapy uses substances that attack cancer cells without harming normal cells.

NIH: National Cancer Institute

  • Bence-Jones protein - quantitative
  • Bone marrow transplant
  • Multiple myeloma
  • Protein electrophoresis - serum
  • Serum globulin electrophoresis
  • Understanding Chemotherapy - NIH - Easy-to-Read (National Cancer Institute)
  • What to Know about External Beam Radiation Therapy - NIH - Easy-to-Read (National Cancer Institute)


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