All ICD10 Codes

C90

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Multiple myeloma and malignant plasma cell neoplasms

Use a more specific code (0 billable, 4 non-billable)
C90.0Multiple myelomahas subcodesC90.1Plasma cell leukemiahas subcodesC90.2Extramedullary plasmacytomahas subcodesC90.3Solitary plasmacytomahas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

C81-C96 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • Kaposi's sarcoma of lymph nodes (C46.3)
  • secondary and unspecified neoplasm of lymph nodes (C77.-)
  • secondary neoplasm of bone marrow (C79.52)
  • secondary neoplasm of spleen (C78.89)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
C90Multiple myeloma and malignant plasma cell neoplasmsNot billable
C90.0Multiple myelomaSubcodes
C90.1Plasma cell leukemiaSubcodes
C90.2Extramedullary plasmacytomaSubcodes
C90.3Solitary plasmacytomaSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C90:

blockC81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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