C88.0 Waldenström macroglobulinemia
The ICD-10-CM code for Waldenström macroglobulinemia is C88.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.
Classification
- Chapter
- 2: Neoplasms (C00-D49)
- Section
- C81-C96: Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
- Category C88
- 19 codes (12 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to C88.0:
- Macroglobulinemia (idiopathic) (primary)
- Waldenström › syndrome or macroglobulinemia
- Macroglobulinemia (idiopathic) (primary) › Waldenström
- Lymphoma (of) (malignant) › lymphoplasmacytic › with IgM-production
- Glomerulonephritis › in (due to) › Waldenström macroglobulinemia
- Disorder (of) › glomerular (in) › Waldenström macroglobulinemia
Inclusion Terms
- Lymphoplasmacytic lymphoma with IgM-production
- Macroglobulinemia (idiopathic) (primary)
U.S. Hospital Utilization
- An estimated 7,855 U.S. inpatient stays in 2023 included C88.0 among the documented diagnoses.
- 575 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Tx of primary site (TOC entry)a. Admission/Encounter for treatment of primary site ............................................................. 33
Tx of secondary site (TOC entry)b. Admission/Encounter for treatment of secondary site .......................................................... 33
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026