MCMedicalCodingSoftware
Y64.9

Y64.9: Contaminated medical or biological substance administered by unspecified means

Billable / specific codeICD-10-CM

Y64.9 is a billable, specific ICD-10-CM code for contaminated medical or biological substance administered by unspecified means. It is valid for submission on a claim.

Check Y64.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Administered contaminated medical or biological substance NOS

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Misadventure during surgical or medical care›contaminated medical or biological substance(blood, drug, fluid)
  • Misadventure during surgical or medical care›contaminated medical or biological substance›administered NEC(by)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Y64

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.