C90.1
⚠ Non-billable
Plasma cell leukemia
ICD-10-CM · FY2026 · Neoplasms
Code
C90.1
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C90.1?
ICD-10-CM code C90.1 represents Plasma cell leukemia. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C90.1 billable?
No. C90.1 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C90.1 in?
C90.1 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C90 category
C90
Multiple myeloma and malignant plasma cell neoplasms
Non-billable
C90.0
Multiple myeloma
Non-billable
C90.2
Extramedullary plasmacytoma
Non-billable
C90.3
Solitary plasmacytoma
Non-billable
C90.00
Multiple myeloma not having achieved remission
Billable
C90.01
Multiple myeloma in remission
Billable
C90.02
Multiple myeloma in relapse
Billable
C90.10
Plasma cell leukemia not having achieved remission
Billable
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