C90
Non-billableMultiple myeloma and malignant plasma cell neoplasms
C90 is the ICD-10-CM code for Multiple myeloma and malignant plasma cell neoplasms. It is a non-billable category code — use a more specific child code such as C90.0 for billing.
- Status
- Header (non-billable)
- Chapter
- C00-D49
- Subcodes
- 4
- Edition
- FY2026
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHWhat is cancer? Cancer is not just one disease but many diseases. Cancer begins in your cells, which are the building blocks of your body. Usually, your body forms new cells as needed, replacing old cells that die. Sometimes this process goes wrong. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor. Tumors can be benign or…
Read more about Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes1 — not coded here
- •personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)
Medications indicated for this condition
FDA labeling- BortezomibProteasome Inhibitor [EPC]›
- CarmustineAlkylating Drug [EPC]›
- LenalidomideThalidomide Analog [EPC]›
- Melphalan›
- CyclophosphamideAlkylating Drug [EPC]›
- CytarabineNucleoside Metabolic Inhibitor [EPC]›
- PlerixaforHematopoietic Stem Cell Mobilizer [EPC]›
- DaratumumabCD38-directed Cytolytic Antibody [EPC]›
- PomalidomideThalidomide Analog [EPC]›
- Belantamab Mafodotin›
- Cyclophosphamide for Injection›
- Daratumumab and Hyaluronidase-fihj (human Recombinant)CD38-directed Cytolytic Antibody [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code C90?
- C90 is the ICD-10-CM code for "Multiple myeloma and malignant plasma cell neoplasms". It falls under C00-D49 Neoplasms.
- Is C90 a billable code?
- No — C90 is a non-billable header code. Use a more specific child code (such as C90.0) for billing.
- What is excluded from C90?
- Excludes1 (not coded here): personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition