Y64.9

ICD-10Billable

Contaminated med/biolog sub administered by unsp means

Official ICD-10-CM descriptor (FY2026)

Contaminated medical or biological substance administered by unspecified means

Y64.9 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Administered contaminated medical or biological substance NOS

Related codes in Y64

Where this code sits

Chapter: 20. External causes of morbidity (V00-Y99)
Block: Misadventures to patients during surgical and medical care (Y62-Y69)
Parent code: Y64

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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.