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
Excludes1 — not coded here
- •personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)
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.
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