C88.0
ICD-10Non-billable categoryWaldenstrom macroglobulinemia
Official ICD-10-CM descriptor (FY2026)
Waldenstrom macroglobulinemia
C88.0 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Lymphoplasmacytic lymphoma with IgM-production
- Macroglobulinemia (idiopathic) (primary)
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- small cell B-cell lymphoma (C83.0)
ICD-10-CM FY2026 defines 2 codes beneath C88.0. See the ICD-10-CM index for what this site publishes.
Related codes in C88
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
- Parent code
- C88
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.