Contaminated medical or biological substances (Y64) ICD-10-CM
The Y64 code range covers contaminated medical or biological substances with 5 ICD-10-CM diagnosis codes. 4 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the Y64 Range 5 codes · 4 billable
- Y64 Contaminated medical or biological substancesNon-billable
- Y64.0 Contaminated medical or biological substance, transfused or infused
- Y64.1 Contaminated medical or biological substance, injected or used for immunization
- Y64.8 Contaminated medical or biological substance administered by other means
- Y64.9 Contaminated medical or biological substance administered by unspecified means
About the Y64 Code Range
The ICD-10 codes in the Y64 category are used to identify complications arising from the administration of contaminated medical or biological substances. These codes help specify the method by which the contaminated substance was given to a patient, such as transfusion, injection, or other means.
The ICD-10 code Y64.0 covers contaminated substances that are transfused or infused, often linked to issues like contaminated blood transfusions. The code Y64.1 applies when the contaminated substance is injected or used for immunization, including vaccinations. For contaminants introduced through other methods, Y64.8 is used, which also includes serious events like delivery of the wrong gas in oxygen lines. When the specific method of contamination is unknown, the Y64.9 code applies and covers general cases of infectious agent transmission via medicinal products. These codes assist in accurately describing adverse events from contaminated medical materials, supporting precise medical records and follow-up care.
Questions About This Page
How many billable codes are in the Y64 range?
Of the 5 codes in this range, 4 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Y64 range classify?
The range classifies contaminated medical or biological substances. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
