2026 ICD-10-CM Diagnosis Code Y64Contaminated medical or biological substances
ICD-10-CM Y64
Y64 is a non-billable ICD-10-CM category code for contaminated medical or biological substances, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Y64.0, Y64.1, Y64.8, and Y64.9.
Code Identity
ICD-10-CM Code
Y64
Billable Status
No — Non-Billable Category
Code Describes
Contaminated medical or biological substances
Chapter
Y62-Y84
Complications of medical and surgical care
Code Classification
Specific Coding for Contaminated medical or biological substancesOverview
Non-specific codes like Y64 require more characters. Use one of these billable codes instead:
Use Y64.0 for Contaminated medical or biological substance, transfused or infused
Use Y64.1 for Contaminated medical or biological substance, injected or used for immunization
Use Y64.8 for Contaminated medical or biological substance administered by other means
Use Y64.9 for Contaminated medical or biological substance administered by unspecified means
Code HistoryHistory
FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.
Questions About Y64Overview
Is Y64 (Contaminated medical or biological substances) a billable code?
No. This is a category header that groups the codes for contaminated medical or biological substances, and headers cannot be submitted on claims. Claims for contaminated medical or biological substances need a more specific code from this category, such as Y64.0, Y64.1, and Y64.8.
