C90.1

ICD-10Non-billable category

Plasma cell leukemia

Official ICD-10-CM descriptor (FY2026)

Plasma cell leukemia

C90.1 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

  • Plasmacytic leukemia

ICD-10-CM FY2026 defines 3 codes beneath C90.1. See the ICD-10-CM index for what this site publishes.

Related codes in C90

Where this code sits

Parent code
C90

Krasyn AI Coder

Get code suggestions automatically as you type notes. Free for 50 analyses.

Install for Chrome — free

Source

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.

Get codes automatically as you write notes. Krasyn AI Coder for Chrome — free for 50 analyses.Install free →